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出色的数字
一种半素数,其两个素因子具有相同的位数。更多

前600个精彩数字:
4,6,9,10,14,15,21,25,35,49,121,143,169,187,209,221,247,253,289,299,319,323,341,361,377,391,403,407,437,451,473,481,493,517,527,529,533,551,559,583,589,611,629,649,667,671,689,697,703,713,731,737,767,779,781,793,799,803,817,841,851,869,871,893,899,901,913,923,943,949,961,979,989,1003,1007,1027,1037,1067,1073,1079,1081,1121,1139,1147,1157,1159,1189,1207,1219,1241,1247,1261,1271,1273,1333,1343,1349,1357,1363,1369,1387,1403,1411,1457,1501,1513,1517,1537,1541,1577,1591,1633,1643,1649,1679,1681,1691,1711,1739,1763,1769,1817,1829,1843,1849,1891,1909,1927,1943,1961,2021,2047,2059,2077,2117,2173,2183,2201,2209,2231,2257,2263,2279,2291,2407,2419,2449,2479,2491,2501,2537,2573,2581,2623,2627,2701,2747,2759,2773,2809,2813,2867,2881,2911,2923,2993,3007,3053,3071,3127,3139,3149,3233,3239,3293,3337,3397,3403,3431,3481,3551,3569,3589,3599,3649,3713,3721,3763,3827,3869,3901,3953,3977,4087,4171,4183,4187,4189,4307,4331,4399,4453,4489,4559,4661,4717,4757,4819,4891,4897,5041,5063,5141,5183,5251,5293,5329,5429,5561,5609,5723,5767,5893,5917,5963,6059,6241,6319,6497,6499,6557,6887,6889,7031,7081,7387,7663,7921,8051,8633,9409,10201,10403,10609,10807,11009,11021,11227,11413,11449,11639,11663,11881,12091,12317,12769,12827,13081,13231,13493,13589,13837,13843,14017,14039,14111,14279,14317,14351,14659,14803,14873,14933,15049,15151,15251,15347,15481,15553,15707,15857,15943,16129,16157,16171,16241,16459,16463,16637,16789,16799,16837,16867,17063,17113,17161,17201,17399,17441,17473,17653,17741,17767,17819,17869,17947,18079,18203,18209,18281,18419,18437,18511,18643,18769,18857,18871,18923,19043,19153,19177,19291,19321,19367,19493,19511,19519,19549,19673,19729,19781,19879,19897,19939,20099,20227,20291,20413,20437,20453,20497,20567,20651,20687,20701,20711,20819,20989,21037,21079,21209,21293,21311,21353,21473,21509,21583,21691,21733,21809,21823,21877,21971,22201,22261,22331,22487,22499,22523,22577,22657,22663,22733,22801,22879,22927,22969,22987,22999,23129,23213,23381,23393,23449,23533,23587,23701,23707,23711,23843,23861,23999,24047,24139,24257,24287,24289,24307,24341,24503,24511,24523,24613,24617,24649,24743,24797,24823,24881,24883,24931,24961,25019,25021,25159,25199,25217,25273,25283,25351,25397,25573,25591,25651,25777,25787,25807,25853,25877,25957,26051,26069,26123,26167,26219,26269,26329,26441,26471,26549,26563,26569,26671,26797,26827,26857,26969,26989,27007,27029,27089,27161,27169,27221,27233,27263,27331,27359,27371,27383,27499,27641,27661,27707,27889,27913,27977,28013,28103,28141,28199,28321,28363,28381,28417,28459,28531,28583,28667,28757,28783,28829,28841,28891,28907,28943,28997,29041,29083,29143,29149,29177,29213,29321,29329,29353,29503,29539,29591,29593,29639,29651,29719,29737,29747,29893,29929,29987,29999,30049,30067,30179,30193,30227,30281,30301,30353,30397,30523,30551,30607,30623,30629,30847,30929,30967,30997,31007,31099,31133,31243,31301,31309,31313,31351,31373,31411,31439,31459,31553,31571,31613,31621,31753,31831,31861,31877,31897,31921,31937,31979,32017,32033,32041,32111,32231,32239,32387,32399,32437,32639,32651,32743,32761,32849,32881,32899,33017,33043,33109,33127,33221,33227,33233,33277,33389,33401,33431,33463,33491,33499,33667,33673,33823,33899,33919,34037,34081,34093,34117,34121,34163,34189,34277,34387,34393,34417,34427,34453,34547.

剩余物的分配当这个家族中的数字除以n个=2, 3,..., 11.(我考虑了7407840个值,从4到999999 863)。

n\r公司 0  1 
247407836 2 
437048793702957 3 
4137047603703076 4 
541852489185144118514431852463 5 
613704877123702956 6 
74123495912347931234285123502812343161234455 7 
801853197118514701185156321851606 8 
9112348401234339112350021234307212350371234311 9 
10118524880185144321185144101852461 10 
1121741053740590740991740851740874740546740602740555741137740620

上表的图示
摩托车
想象一下用一个数字来划分这个家庭的成员n个并计算余数。如果它们均匀分布,则每个余数从0到n个-1将在大约(1)中获得/n个)-第个案例。此结果由白色方块表示。红色(分别为蓝色)方块表示剩余物,其出现频率高于(分别低于)1/n个.