属于这两组的第一个数字：
431,443,461,491,521,563,761,821,827,839,941,971,983,1049,1481,1487,1499,1553,1601,1871,1931,2153,2207,2477,2591,2609,3037,3041,3083,3137,3221,3251,3257,3307,3329,3371,3581,3593,3659,3677,3719,3761,3767,3797,3803,3821,3863,4049,4091,4099,4127,4157,4241,4271,4283,4349,4409,4643,4649,4817,4871,4931,4967,5147,5153,5231,5297,5303,5309,5477,5507,5639,6113,6551,6581,6637,6659,6977,6997,7043,7331,7487,7541,7649,8093,8147,8171,8231,8543,8597,8609,8663,8741,8807,8819,8837,8933,9041,9221,9257,9341,9419,9437,9551,9587,9743,9851,10037,10181,10259,10331,10607,10847,10937,11057,11087,11261,11483,11549,11597,11777,11927,12037,12041,12107,12149,12437,12641,12653,13217,13259,13709,13997,14177,14207,14321,14369,14387,14591,14621,14627,14657,14699,14717,14759,14813,14843,14867,14879,14891,14897,14939,15053,15107,15137,15149,15227,15641,15671,15737,15881,15887,16001,16481,16661,16937,17021,17027,17033,17207,17321,17387,17657,17681,17707,17921,17987,18077,18131,18149,18251,18287,18671,19037,19163,19181,19577,19709,19937,20147,20177,20327,20357,20369,20393,20477,20507,20717,20807,20981,21017,21059,21149,21317,21401,21407,21467,21587,21611,21617,21701,21737,21767,22031,22037,22067,22271,22481,22511,22709,22811,22877,23537,23627,23687,23753,23981,24083,24251,24281,24317,24443,24611,24809,24917,25031,25097,25127,25307,25367,25391,25457,25577,25841,25847,25931,26111,26153,26177,26237,26309,26393,26489,26951,26987,27017,27031,27281,27611,27617,28097,28109,28181,28211,28277,28307,28499,28547,28661,28697,28703,28751,28871,28961,29021,29033,29147,29207,29243,29327. 一些较大的示例：
994457,994559,994691,995009,995117,995339,995567,995719,995747,995801,996167,996461,996629,996647,996899,997121,998027,998117,998969,999149.