Benvenuti a p196.org!
I seguenti sono alcuni dei "statistico" le cose che ho trovato sul set di dati individuali.
Tabella Legend
Il "Iterazione Count" è la prima iterazione che produce un determinato set di dati. Se ci fosse più di una iterazione dire che ha prodotto 6 milioni di cifre, ho salvato solo il primo.
La formula che ho usato per la "Iterazione / Digit Ratio" è: I / D.
La formula che ho usato per la "Digit Pairs Re"è: cifre (iterazioni +7) / 2
.
| Digit Milestone | Iterazione Conte | Iterazione / Rapporto di Digit | Coppie di Cifre Trasformati |
| 1 Million | 2,415,836 | 2 .4158360000 | 1,207,921,500,000 |
| 2 Million | 4,830,292 | 2 .4151460000 | 4,830,299,000,000 |
| 3 Million | 7,245,928 | 2 .4153093333 | 10,868,902,500,000 |
| 4 Million | 9,662,071 | 2 .4155177500 | 19,324,156,000,000 |
| 5 Million | 12,078,865 | 2 .4157730000 | 30,197,180,000,000 |
| 6 Million | 14,495,294 | 2 .4158823333 | 43,485,903,000,000 |
| 7 Million | 16,911,863 | 2 .4159804286 | 59,191,545,000,000 |
| 8 Million | 19,327,667 | 2 .4159583750 | 77,310,696,000,000 |
| 9 Million | 21,744,278 | 2 .4160308889 | 97,849,282,500,000 |
| 10 Million | 24,159,531 | 2 .4159531000 | 120,797,690,000,000 |
| 11 Million | 26,574,642 | 2 .4158765455 | 146,160,569,500,000 |
| 12 Million | 28,991,159 | 2 .4159299167 | 173,946,996,000,000 |
| 13 Million | 31,408,295 | 2 .4160226923 | 204,153,963,000,000 |
| 14 Million | 33,824,775 | 2 .4160553571 | 236,773,474,000,000 |
| 15 Million | 36,240,602 | 2 .4160401333 | 271,804,567,500,000 |
| 16 Million | 38,655,227 | 2 .4159516875 | 309,241,872,000,000 |
| 17 Million | 41,070,365 | 2 .4159038235 | 349,098,162,000,000 |
| 18 Million | 43,487,182 | 2 .4159545556 | 391,384,701,000,000 |
| 19 Million | 45,901,512 | 2 .4158690526 | 436,064,430,500,000 |
| 20 Million | 48,316,988 | 2 .4158494000 | 483,169,950,000,000 |
| 21 Million | 50,732,545 | 2 .4158354762 | 532,691,796,000,000 |
| 22 Million | 53,148,015 | 2 .4158188636 | 584,628,242,000,000 |
| 23 Million | 55,565,809 | 2 .4159047391 | 639,006,884,000,000 |
| 24 Million | 57,982,436 | 2 .4159348333 | 695,789,316,000,000 |
| 25 Million | 60,398,130 | 2 .4159252000 | 754,976,712,500,000 |
| 26 Million | 62,816,046 | 2 .4160017692 | 816,608,689,000,000 |
| 27 Million | 65,231,462 | 2. 4159800741 | 880,624,831,500,000 |
| 28 Million | 67,648,377 | 2. 4160134643 | 947,077,376,000,000 |
| 29 Million | 70,067,270 | 2. 4161127586 | 1,015,975,516,500,000 |
| 30 Million | 72,482,579 | 2. 4160859667 | 1,087,238,790,000,000 |
| 31 Million | 74,899,358 | 2. 4161083226 | 1,160,940,157,500,000 |
| 32 Million | 77,314,955 | 2. 4160923438 | 1,237,039,392,000,000 |
| 33 Million | 79,731,034 | 2. 4160919394 | 1,315,562,176,500,000 |
| 34 Million | 82,145,364 | 2. 4160401176 | 1,396,471,307,000,000 |
| 35 Million | 84,563,227 | 2. 4160922000 | 1,479,856,595,000,000 |
| 36 Million | 86,979,674 | 2. 4161020556 | 1,565,634,258,000,000 |
| 37 Million | 89,397,247 | 2. 4161418108 | 1,653,849,199,000,000 |
| 38 Million | 91,812,894 | 2. 4161287895 | 1,744,445,119,000,000 |
| 39 Million | 94,228,899 | 2. 4161256154 | 1,837,463,667,000,000 |
| 40 Million | 96,645,213 | 2. 4161303250 | 1,932,904,400,000,000 |
| 41 Million | 99,061,141 | 2. 4161253902 | 2,030,753,534,000,000 |
| 42 Million | 101,476,346 | 2. 4161034762 | 2,131,003,413,000,000 |
| 43 Million | 103,893,138 | 2. 4161194884 | 2,233,702,617,500,000 |
| 44 Million | 106,309,010 | 2. 4161138636 | 2,338,798,374,000,000 |
| 45 Million | 108,723,539 | 2. 4160786444 | 2,446,279,785,000,000 |
| 46 Million | 111,138,308 | 2. 4160501739 | 2,556,181,245,000,000 |
| 47 Million | 113,554,695 | 2. 4160573404 | 2,668,535,497,000,000 |
| 48 Million | 115,969,543 | 2. 4160321458 | 2,783,269,200,000,000 |
| 49 Million | 118,387,016 | 2. 4160615510 | 2,900,482,063,500,000 |
| 50 Million | 120,802,305 | 2. 4160461000 | 3,020,057,800,000,000 |
| 51 Million | 123,218,044 | 2. 4160400784 | 3,142,060,300,500,000 |
| 52 Million | 125,634,154 | 2. 4160414231 | 3,266,488,186,000,000 |
| 53 Million | 128,050,160 | 2. 4160407547 | 3,393,329,425,500,000 |
| 54 Million | 130,463,975 | 2. 4159995370 | 3,522,527,514,000,000 |
| 55 Million | 132,880,223 | 2. 4160040545 | 3,654,206,325,000,000 |
| 56 Million | 135,295,252 | 2. 4159866429 | 3,788,267,252,000,000 |
| 57 Million | 137,712,060 | 2. 4160010526 | 3,924,793,909,500,000 |
| 58 Million | 140,128,242 | 2. 4160041724 | 4,063,719,221,000,000 |
| 59 Million | 142,544,153 | 2. 4160025932 | 4,205,052,720,000,000 |
| 60 Million | 144,958,406 | 2. 4159734333 | 4,348,752,390,000,000 |
| 61 Million | 147,375,122 | 2. 4159856066 | 4,494,941,434,500,000 |
| 62 Million | 149,790,895 | 2. 4159821774 | 4,643,517,962,000,000 |
| 63 Million | 152,207,835 | 2. 4159973810 | 4,794,547,023,000,000 |
| 64 Million | 154,623,289 | 2. 4159888906 | 4,947,945,472,000,000 |
| 65 Million | 157,038,002 | 2. 4159692615 | 5,103,735,292,500,000 |
| 66 Million | 159,455,103 | 2. 4159864091 | 5,262,018,630,000,000 |
| 67 Million | 161,871,411 | 2. 4159912090 | 5,422,692,503,000,000 |
| 68 Million | 164,287,044 | 2. 4159859412 | 5,585,759,734,000,000 |
| 69 Million | 166,704,687 | 2. 4160099565 | 5,751,311,943,000,000 |
| 70 Million | 169,121,766 | 2. 4160252286 | 5,919,262,055,000,000 |
| 71 Million | 171,538,507 | 2. 4160353099 | 6,089,617,247,000,000 |
| 72 Million | 173,953,453 | 2. 4160201806 | 6,262,324,560,000,000 |
| 73 Million | 176,368,856 | 2. 4160117260 | 6,437,463,499,500,000 |
| 74 Million | 178,784,747 | 2. 4160100946 | 6,615,035,898,000,000 |
| 75 Million | 181,199,797 | 2. 4159972933 | 6,794,992,650,000,000 |
| 76 Million | 183,616,094 | 2. 4160012368 | 6,977,411,838,000,000 |
| 77 Million | 186,032,643 | 2. 4160083506 | 7,162,257,025,000,000 |
| 78 Million | 188,447,228 | 2. 4159901026 | 7,349,442,165,000,000 |
| 79 Million | 190,862,368 | 2. 4159793418 | 7,539,063,812,500,000 |
| 80 Million | 193,277,613 | 2. 4159701625 | 7,731,104,800,000,000 |
| 81 Million | 195,693,825 | 2. 4159731481 | 7,925,600,196,000,000 |
| 82 Million | 198,109,015 | 2. 4159635976 | 8,122,469,902,000,000 |
| 83 Million | 200,524,477 | 2. 4159575542 | 8,321,766,086,000,000 |
| 84 Million | 202,939,323 | 2. 4159443214 | 8,523,451,860,000,000 |
| 85 Million | 205,355,672 | 2. 4159490824 | 8,727,616,357,500,000 |
| 86 Million | 207,771,197 | 2. 4159441512 | 8,934,161,772,000,000 |
| 87 Million | 210,186,316 | 2. 4159346667 | 9,143,105,050,500,000 |
| 88 Million | 212,602,940 | 2. 4159425000 | 9,354,529,668,000,000 |
| 89 Million | 215,018,872 | 2. 4159423820 | 9,568,340,115,500,000 |
| 90 Million | 217,433,686 | 2. 4159298444 | 9,784,516,185,000,000 |
| 91 Million | 219,850,418 | 2. 4159386593 | 10,003,194,337,500,000 |
| 92 Million | 222,266,315 | 2. 4159382065 | 10,224,250,812,000,000 |
| 93 Million | 224,680,750 | 2. 4159220430 | 10,447,655,200,500,000 |
| 94 Million | 227,095,084 | 2. 4159051489 | 10,673,469,277,000,000 |
| 95 Million | 229,512,704 | 2. 4159232000 | 10,901,853,772,500,000 |
| 96 Million | 231,928,518 | 2. 4159220625 | 11,132,569,200,000,000 |
| 97 Million | 234,344,371 | 2. 4159213505 | 11,365,702,333,000,000 |
| 98 Million | 236,759,404 | 2. 4159122857 | 11,601,211,139,000,000 |
| 99 Million | 239,175,318 | 2. 4159123030 | 11,839,178,587,500,000 |
| 100 Million | 241,590,277 | 2. 4159027700 | 12,079,514,200,000,000 |
| 101 Million | 244,006,839 | 2. 4159092970 | 12,322,345,723,000,000 |
| 102 Million | 246,423,282 | 2. 4159145294 | 12,567,587,739,000,000 |
| 103 Million | 248,840,359 | 2. 4159258155 | 12,815,278,849,000,000 |
| 104 Million | 251,254,880 | 2. 4159123077 | 13,065,254,124,000,000 |
| 105 Million | 253,670,404 | 2. 4159086095 | 13,317,696,577,500,000 |
| 106 Million | 256,084,270 | 2. 4158893396 | 13,572,466,681,000,000 |
| 107 Million | 258,498,530 | 2. 4158741121 | 13,829,671,729,500,000 |
| 108 Million | 260,914,435 | 2. 4158743981 | 14,089,379,868,000,000 |
| 109 Million | 263,328,945 | 2. 4158618807 | 14,351,427,884,000,000 |
| 110 Million | 265,745,475 | 2. 4158679545 | 14,616,001,510,000,000 |
| 111 Million | 268,160,697 | 2. 4158621351 | 14,882,919,072,000,000 |
| 112 Million | 270,575,863 | 2. 4158559196 | 15,152,248,720,000,000 |
| 113 Million | 272,991,794 | 2. 4158565841 | 15,424,036,756,500,000 |
| 114 Million | 275,405,890 | 2. 4158411404 | 15,698,136,129,000,000 |
| 115 Million | 277,820,730 | 2. 4158324348 | 15,974,692,377,500,000 |
| 116 Million | 280,236,256 | 2. 4158297931 | 16,253,703,254,000,000 |
| 117 Million | 282,651,618 | 2. 4158257949 | 16,535,120,062,500,000 |
| 118 Million | 285,066,604 | 2. 4158186780 | 16,818,930,049,000,000 |
| 119 Million | 287,481,429 | 2. 4158103277 | 17,105,145,442,000,000 |
| 120 Million | 289,896,907 | 2. 4158075583 | 17,393,814,840,000,000 |
| 121 Million | 292,311,641 | 2. 4157986860 | 17,684,854,704,000,000 |
| 122 Million | 294,727,521 | 2. 4157993525 | 17,978,379,208,000,000 |
| 123 Million | 297,143,533 | 2. 4158010813 | 18,274,327,710,000,000 |
| 124 Million | 299,557,657 | 2. 4157875565 | 18,572,575,168,000,000 |
| 125 Million | 301,974,027 | 2. 4157922160 | 18,873,377,125,000,000 |
| 126 Million | 304,389,137 | 2. 4157868016 | 19,176,516,072,000,000 |
| 127 Million | 306,805,299 | 2. 4157897559 | 19,482,136,931,000,000 |
| 128 Million | 309,221,256 | 2. 4157910625 | 19,790,160,832,000,000 |
| 129 Million | 311,637,141 | 2. 4157917907 | 20,100,596,046,000,000 |
| 130 Million | 314,052,527 | 2. 4157886692 | 20,413,414,710,000,000 |
| 131 Million | 316,468,413 | 2. 4157894122 | 20,728,681,510,000,000 |
| 132 Million | 318,884,030 | 2. 4157881061 | 21,046,346,442,000,000 |
| 133 Million | 321,299,093 | 2. 4157826541 | 21,366,390,150,000,000 |
| 134 Million | 323,715,600 | 2. 4157880597 | 21,688,945,669,000,000 |
| 135 Million | 326,131,076 | 2. 4157857481 | 22,013,848,102,500,000 |
| 136 Million | 328,547,998 | 2. 4157941029 | 22,341,264,340,000,000 |
| 137 Million | 330,963,887 | 2. 4157947956 | 22,671,026,739,000,000 |
| 138 Million | 333,379,370 | 2. 4157925362 | 23,003,177,013,000,000 |
| 139 Million | 335,795,486 | 2. 4157948633 | 23,337,786,763,500,000 |
| 140 Million | 338,210,775 | 2. 4157912500 | 23,674,754,740,000,000 |
| 141 Million | 340,626,948 | 2. 4157939574 | 24,014,200,327,500,000 |
| 142 Million | 343,043,659 | 2. 4158004155 | 24,356,100,286,000,000 |
| 143 Million | 345,459,815 | 2. 4158029021 | 24,700,377,273,000,000 |
| 144 Million | 347,875,673 | 2. 4158032847 | 25,047,048,960,000,000 |
| 145 Million | 350,292,487 | 2. 4158102552 | 25,396,205,815,000,000 |
| 146 Million | 352,708,290 | 2. 4158102055 | 25,747,705,681,000,000 |
| 147 Million | 355,125,177 | 2. 4158175306 | 26,101,701,024,000,000 |
| 148 Million | 357,540,909 | 2. 4158169527 | 26,458,027,784,000,000 |
| 149 Million | 359,956,876 | 2. 4158179597 | 26,816,787,783,500,000 |
| 150 Million | 362,372,813 | 2. 4158187533 | 27,177,961,500,000,000 |
| 151 Million | 364,788,891 | 2. 4158204702 | 27,541,561,799,000,000 |
| 152 Million | 367,204,161 | 2. 4158168487 | 27,907,516,768,000,000 |
| 153 Million | 369,619,640 | 2. 4158146405 | 28,275,902,995,500,000 |
| 154 Million | 372,035,743 | 2. 4158165130 | 28,646,752,750,000,000 |
| 155 Million | 374,450,389 | 2. 4158089613 | 29,019,905,690,000,000 |
| 156 Million | 376,866,208 | 2. 4158090256 | 29,395,564,770,000,000 |
| 157 Million | 379,281,305 | 2. 4158044904 | 29,773,582,992,000,000 |
| 158 Million | 381,697,126 | 2. 4158045949 | 30,154,073,507,000,000 |
| 159 Million | 384,113,355 | 2. 4158072642 | 30,537,012,279,000,000 |
| 160 Million | 386,529,610 | 2. 4158100625 | 30,922,369,360,000,000 |
| 161 Million | 388,944,754 | 2. 4158059255 | 31,310,053,260,500,000 |
| 162 Million | 391,360,944 | 2. 4158082963 | 31,700,237,031,000,000 |
| 163 Million | 393,776,305 | 2. 4158055521 | 32,092,769,428,000,000 |
| 164 Million | 396,192,233 | 2. 4158062988 | 32,487,763,680,000,000 |
| 165 Million | 398,607,648 | 2. 4158039273 | 32,885,131,537,500,000 |
| 166 Million | 401,023,403 | 2. 4158036325 | 33,284,943,030,000,000 |
| 167 Million | 403,439,651 | 2. 4158062934 | 33,687,211,443,000,000 |
| 168 Million | 405,856,956 | 2. 4158152143 | 34,091,984,892,000,000 |
| 169 Million | 408,272,435 | 2. 4158132249 | 34,499,021,349,000,000 |
| 170 Million | 410,688,792 | 2. 4158164235 | 34,908,547,915,000,000 |
| 171 Million | 413,104,065 | 2. 4158132456 | 35,320,398,156,000,000 |
| 172 Million | 415,517,439 | 2. 4157990640 | 35,734,500,356,000,000 |
| 173 Million | 417,933,403 | 2. 4158000173 | 36,151,239,965,000,000 |
| 174 Million | 420,349,873 | 2. 4158038678 | 36,570,439,560,000,000 |
| 175 Million | 422,765,244 | 2. 4158013943 | 36,991,959,462,500,000 |
| 176 Million | 425,181,055 | 2. 4158014489 | 37,415,933,456,000,000 |
| 177 Million | 427,599,027 | 2. 4158137119 | 37,842,514,509,000,000 |
| 178 Million | 430,016,536 | 2. 4158232360 | 38,271,472,327,000,000 |
| 179 Million | 432,433,414 | 2. 4158291285 | 38,702,791,179,500,000 |
| 180 Million | 434,849,911 | 2. 4158328389 | 39,136,492,620,000,000 |
| 181 Million | 437,267,293 | 2. 4158413978 | 39,572,690,650,000,000 |
| 182 Million | 439,682,132 | 2. 4158358901 | 40,011,074,649,000,000 |
| 183 Million | 442,097,346 | 2. 4158324918 | 40,451,907,799,500,000 |
| 184 Million | 444,512,168 | 2. 4158270000 | 40,895,120,100,000,000 |
| 185 Million | 446,927,453 | 2. 4158240703 | 41,340,790,050,000,000 |
| 186 Million | 449,343,164 | 2. 4158234624 | 41,788,914,903,000,000 |
| 187 Million | 449,343,164 | 2. 4158237594 | 42,239,471,175,000,000 |
| 188 Million | 454,174,655 | 2. 4158226330 | 42,692,418,228,000,000 |
| 189 Million | 456,588,593 | 2. 4158126614 | 43,147,622,700,000,000 |
| 190 Million | 459,004,983 | 2. 4158157000 | 43,605,474,050,000,000 |
| 191 Million | 461,419,218 | 2. 4158074241 | 44,065,535,987,500,000 |
| 192 Million | 463,835,090 | 2. 4158077604 | 44,528,169,312,000,000 |
| 193 Million | 466,250,388 | 2. 4158051192 | 44,993,163,117,500,000 |
| 194 Million | 468,667,675 | 2. 4158127577 | 45,460,765,154,000,000 |
| 195 Million | 471,085,391 | 2. 4158225179 | 45,930,826,305,000,000 |
| 196 Million | 473,503,339 | 2. 4158333622 | 46,403,327,908,000,000 |
| 197 Million | 475,919,151 | 2. 4158332538 | 46,878,037,063,000,000 |
| 198 Million | 478,335,425 | 2. 4158354798 | 47,355,207,768,000,000 |
| 199 Million | 480,750,860 | 2. 4158334673 | 47,834,711,266,500,000 |
| 200 Million | 483,166,859 | 2. 4158342950 | 48,316,686,600,000,000 |
| 201 Million | 485,581,911 | 2. 4158304030 | 48,800,982,759,000,000 |
| 202 Million | 487,996,904 | 2. 4158262574 | 49,287,688,011,000,000 |
| 203 Million | 490,413,021 | 2. 4158276897 | 49,776,922,342,000,000 |
| 204 Million | 492,829,843 | 2. 4158325637 | 50,268,644,700,000,000 |
| 205 Million | 495,245,922 | 2. 4158337659 | 50,762,707,722,500,000 |
| 206 Million | 497,662,056 | 2. 4158352233 | 51,259,192,489,000,000 |
| 207 Million | 500,077,852 | 2. 4158350338 | 51,758,058,406,500,000 |
| 208 Million | 502,495,484 | 2. 4158436731 | 52,259,531,064,000,000 |
| 209 Million | 504,913,664 | 2. 4158548517 | 52,763,478,619,500,000 |
| 210 Million | 507,329,950 | 2. 4158569048 | 53,269,645,485,000,000 |
| 211 Million | 509,745,400 | 2. 4158549763 | 53,778,140,438,500,000 |
| 212 Million | 512,162,233 | 2. 4158595896 | 54,289,197,440,000,000 |
| 213 Million | 514,577,796 | 2. 4158581972 | 54,802,536,019,500,000 |
| 214 Million | 516,992,665 | 2. 4158535748 | 55,318,215,904,000,000 |
| 215 Million | 519,408,582 | 2. 4158538698 | 55,836,423,317,500,000 |
| 216 Million | 521,825,691 | 2. 4158596806 | 56,357,175,384,000,000 |
| 217 Million | 524,242,175 | 2. 4158625576 | 56,880,276,747,000,000 |
| 218 Million | 526,658,409 | 2. 4158642615 | 57,405,767,344,000,000 |
| 219 Million | 529,075,350 | 2. 4158691781 | 57,933,751,591,500,000 |
| 220 Million | 531,491,865 | 2. 4158721136 | 58,464,105,920,000,000 |
| 221 Million | 533,907,350 | 2. 4158703620 | 58,996,762,948,500,000 |
| 222 Million | 536,322,341 | 2. 4158664009 | 59,531,780,628,000,000 |
| 223 Million | 538,737,263 | 2. 4158621659 | 60,069,205,605,000,000 |
| 224 Million | 541,153,446 | 2. 4158635982 | 60,609,186,736,000,000 |
| 225 Million | 543,569,184 | 2. 4158630400 | 61,151,533,987,500,000 |
| 226 Million | 545,986,095 | 2. 4158676770 | 61,696,429,526,000,000 |
| 227 Million | 548,402,519 | 2. 4158701278 | 62,243,686,701,000,000 |
| 228 Million | 550,818,415 | 2. 4158702412 | 62,793,300,108,000,000 |
| 229 Million | 553,233,019 | 2. 4158647118 | 63,345,181,477,000,000 |
| 230 Million | 555,650,203 | 2. 4158704478 | 63,899,774,150,000,000 |
| 231 Million | 558,065,511 | 2. 4158680130 | 64,456,567,329,000,000 |
| 232 Million | 560,480,471 | 2. 4158640991 | 65,015,735,448,000,000 |
| 233 Million | 562,896,706 | 2. 4158656910 | 65,577,467,064,500,000 |
| 234 Million | 565,311,914 | 2. 4158628803 | 66,141,494,757,000,000 |
NOTA: Berend Jan van der Zwaag dei Paesi Bassi ha portato alla mia attenzione che i palindromi verificata nella tabella che segue sono forse in errore. I suoi risultati differiscono dalle mie. Sto cercando in esso, e li preciso a scoprire chi è corretta. (Anche se ho il sospetto che probabilmente Berend che sia corretto> p...)
Qui di seguito è un alcuni dati del palindromi trovati all'interno di alcuni file di numeri molto grandi. La maggior parte dei file di dati sono i risultati di questa ricerca 196, ma per avere un campione più ampio, ho raccolto un certo numero di file via Internet. Non mi importa se i calcoli del numero di file sono esatti, (tranne per il 196 files voglio QUELLI ESATTI! :-)) Il mio obiettivo era quello di raccogliere solo alcune serie di numeri molto grandi, e testarli per palindromi .
Tabella Legend
Il "Data Set Base" è un'idea generale di ciò che veniva calcolata in modo da trovare il numero. La maggior parte di loro sono miei 196 files.
"File Length" è il numero di cifre nel file sostenuto dall'autore. Non ho contato le cifre in file di altre persone, quindi ho solo aver fiducia che in essi sono stati attenti.
"File Location" è dove ho trovato il file su internet. Ancora una volta, la maggior parte di questi sono i miei propri file locali, ma fornire un URL per i quelli che posso, da internet, nel caso qualcuno vorrebbe verificare i miei risultati. (Questo non avrebbe fatto male i miei sentimenti!!!)
"# Anche di Pals" è come molti palindromi di 6 cifre o maggiore che ho trovato, che hanno un numero pari di cifre.
"di Odd # Pals" è come molti palindromi di 7 cifre o maggiore che ho trovato, che hanno un numero dispari di cifre.
"Percentuale" è la percentuale di reperti anche di probabilità.
| Data Set Basis | File Length | File Location | # of Even Pals | # of Odd Pals | Percentage |
| SQRT 2 | 2,000,000 | Robert Nemiroff and Jerry Bonnell | 948 | 1,649 | 57 |
| SQRT 5 | 1,000,000 | Robert Nemiroff and Jerry Bonnell | 655 | 906 | 72 |
| SQRT 6 | 1,000,000 | Robert Nemiroff and Jerry Bonnell | 625 | 918 | 68 |
| SQRT 7 | 1,000,000 | Robert Nemiroff and Jerry Bonnell | 628 | 905 | 69 |
| SQRT 8 | 1,000,000 | Robert Nemiroff and Jerry Bonnell | 591 | 872 | 67 |
| SQRT 10 | 1,000,000 | Robert Nemiroff and Jerry Bonnell | 646 | 868 | 74 |
| 196 Calc | 1,000,000 | Local File | 722 | 887 | 81 |
| 196 Calc | 2,000,000 | Local File | 1,033 | 1,754 | 59 |
| 196 Calc | 3,000,000 | Local File | 1,229 | 2,401 | 51 |
| 196 Calc | 4,000,000 | Local File | 1,304 | 3,154 | 41 |
| 196 Calc | 5,000,000 | Local File | 1,559 | 3,687 | 42 |
| 196 Calc | 6,000,000 | Local File | 1,583 | 4,334 | 37 |
| 196 Calc | 7,000,000 | Local File | 1,532 | 4,645 | 33 |
| 196 Calc | 8,000,000 | Local File | 1,669 | 5,320 | 31 |
| 196 Calc | 9,000,000 | Local File | 1,659 | 5,643 | 29 |
| 196 Calc | 10,000,000 | Local File | 2,435 | 6,164 | 40 |
| 196 Calc | 11,000,000 | Local File | 2,134 | 6,434 | 33 |
| 196 Calc | 12,000,000 | Local File | 2,061 | 6,928 | 30 |
| 196 Calc | 13,000,000 | Local File | 4,641 | 6,925 | 67 |
| 196 Calc | 14,000,000 | Local File | 2,098 | 7,317 | 29 |
| 196 Calc | 15,000,000 | Local File | 2,290 | 7,925 | 29 |
| 196 Calc | 16,000,000 | Local File | 2,624 | 7,758 | 34 |
| 196 Calc | 17,000,000 | Local File | 2,660 | 8,041 | 33 |
| 196 Calc | 18,000,000 | Local File | 2,426 | 8,702 | 28 |
| 196 Calc | 19,000,000 | Local File | 2,700 | 8,910 | 30 |
| 196 Calc | 20,000,000 | Local File | 3,036 | 9,036 | 34 |
| 196 Calc | 21,000,000 | Local File | 2,997 | 8,945 | 34 |
| 196 Calc | 22,000,000 | Local File | 3,111 | 9,324 | 33 |
| 196 Calc | 23,000,000 | Local File | 3,219 | 9,404 | 34 |
| 196 Calc | 24,000,000 | Local File | 2,713 | 10,028 | 27 |
| 196 Calc | 25,000,000 | Local File | 5,161 | 10,299 | 50 |
| 196 Calc | 26,000,000 | Local File | 7,266 | 9,978 | 73 |
| 196 Calc | 27,000,000 | Local File | 2,999 | 10,631 | 28 |
| 196 Calc | 28,000,000 | Local File | 3,608 | 10,264 | 35 |
| 196 Calc | 29,000,000 | Local File | 3,773 | 10,438 | 36 |
| 196 Calc | 30,000,000 | Local File | 3,406 | 10,550 | 32 |
| 196 Calc | 31,000,000 | Local File | 3,925 | 10,676 | 37 |
| 196 Calc | 32,000,000 | Local File | 4,054 | 10,782 | 38 |
| 196 Calc | 33,000,000 | Local File | 3,815 | 11,218 | 34 |
| 196 Calc | 34,000,000 | Local File | 4,391 | 11,336 | 39 |
| 196 Calc | 35,000,000 | Local File | 3,548 | 11,607 | 31 |
| 196 Calc | 36,000,000 | Local File | 4,074 | 11,650 | 35 |
| 196 Calc | 37,000,000 | Local File | 3,848 | 11,739 | 33 |
| 196 Calc | 38,000,000 | Local File | 3,814 | 11,930 | 32 |
| 196 Calc | 39,000,000 | Local File | 4,231 | 12,005 | 35 |
| 196 Calc | 40,000,000 | Local File | 4,699 | 11,870 | 40 |
I find this very interesting!! There are the same number of even digit palindromes as odd ones, from here to infinity. Yet, in every single test case above, there are about 3 times as many odd digit palindromes as evens. Even though I am technically starting with a harder search, because there are more digits. (This holds true for the other data sets that I don't have listed above, as well...)
If I had to guess the reason for this, I would say that it has to do with the probability of the double digit in the middle of the evens.
Richard Farmbrough from the United Kingdom sent me the following:
I am interested in your observations on even/odd pal distributions.
Your suggested reason (double digit) is not valid because XX has the same probability as XYX (where Y can be = or <> X).In both cases this is 10%.
Rgds,
Richard.
I've never seen anyone discussing this on any of the pages that I have read. Does anyone have any input??