属于这两组的第一个数字：
2,三,7,11,17,23,41,47,71,101,107,127,211,227,307,311,317,347,401,443,701,743,1117,1201,1217,1277,1301,1327,1427,1471,1721,1777,2003,2017,2027,2111,2141,2207,2243,2411,2417,2441,2447,2477,2711,2741,2777,3011,3041,3203,3221,3271,3307,3347,3371,3407,4001,4007,4127,4211,4217,4241,4271,4421,4441,4447,4703,4721,7001,7043,7121,7127,7177,7211,7247,7307,7321,7417,7727,10007,10111,10211,10247,10271,10301,10343,10427,10711,11027,11071,11117,11171,11177,11411,11447,11717,11777,12007,12011,12041,12071,12107,12203,12227,12277,12347,12377,12401,12721,12743,14071,14107,14177,14207,14303,14321,14347,14401,14447,14717,14741,17021,17027,17047,17077,17207,17321,17401,17417,17471,17707,17747,20021,20071,20101,20107,20147,20177,20201,20327,20341,20407,20411,20441,20477,20717,20747,20771,21001,21011,21017,21101,21143,21221,21317,21341,21347,21377,21401,21407,21701,21727,22247,22271,22277,22307,22441,22717,22721,23017,23027,23041,23071,23117,23201,23321,23327,23417,23447,23741,24107,24317,24371,24443,27017,27077,27107,27127,27271,27407,27701,40127,40241,40277,40343,40427,40771,41077,41117,41141,41177,41201,41341,41411,41771,41777,42017,42071,42101,42221,42407,42701,42727,43201,43271,43403,43427,43721,43777,44027,44111,44171,44201,44207,44221,44417,44711,44741,44771,44777,47111,47147,47207,47303,47317,47407,47417,47701,47711,47741,47777,70001,70111,70121,70241,70271,71011,71171,71317,71327,71411,71471,71711,71777,72047,72101,72211,72221,72227,72271,72307,72341,73121,73277,73327,73417,73727,74021,74027,74047,74071,74177,74201,74377,74411,74471,74717,74747,74771,77003. 一些较大的示例：
772001,772127,772771,773021,773027,773117,773147,773207,773371,773447,773777,774047,774071,774107,774377,774427,777001,777011,777041,777317.