属于这两个集合的第一个数字：
247,361,529,583,649,667,671,841,869,871,979,1081,1139,1157,1219,1241,1247,1261,1271,1333,1343,1349,1403,1411,1501,1541,1591,1633,1679,1739,1769,1817,1829,1843,1849,1891,2021,2047,2059,2077,2117,2231,2279,2291,2407,2449,2479,2491,2501,2537,2581,2627,2701,2809,2881,2911,3007,3053,3071,3139,3149,3233,3239,3403,3481,3551,3569,3649,3713,3721,3869,3901,3953,3977,4087,4187,4189,4331,4399,4453,4559,4717,4819,4897,5141,5183,5251,5293,5329,5429,5561,5609,5723,5767,5963,6059,6241,6319,6497,6887,6889,7031,7387,7663,7921,8051,8633,9409,10201,10403,10609,10807,11009,11021,11227,11413,11449,11639,11663,11881,12091,12317,12769,12827,13081,13231,13493,13589,13837,13843,14017,14039,14111,14279,14317,14351,14659,14803,14873,14933,15049,15151,15251,15347,15481,15553,15707,15857,15943,16129,16157,16171,16241,16459,16463,16637,16789,16799,16837,16867,17063,17113,17161,17201,17399,17441,17473,17653,17741,17767,17819,17869,17947,18079,18203,18209,18281,18419,18437,18511,18643,18769,18857,18871,18923,19043,19153,19177,19291,19321,19367,19493,19511,19519,19549,19673,19729,19781,19879,19897,19939,20099,20227,20291,20413,20437,20453,20497,20567,20651,20687,20701,20711,20819,20989,21037,21079,21209,21293,21311,21353,21473,21509,21583,21691,21733,21809,21823,21877,21971,22201,22261,22331,22487,22499,22523,22577,22657,22663,22733,22801,22879,22927,22969,22987,22999,23129,23213,23381,23393,23449,23533,23587,23701,23707,23711,23843,23861,23999,24047,24139,24257,24287,24289,24307,24341,24503,24511,24523,24613,24617,24649,24743,24797,24823,24881,24883,24931,24961,25019. 一些较大的示例：
29143,29149,29177,29213,29321,29329,29353,29503,29539,29591,29593,29639,29651,29719,29737,29747,29893,29929,29987,29999.