属于这两个集合的第一个数字：
7,13,15,21,31,43,63,73,111,127,133,211,241,259,273,307,421,463,511,553,601,651,781,931,993,1023,1057,1093,1123,1261,1365,1641,1723,1893,2163,2257,2653,2971,3307,3661,4033,4095,4161,5551,5701,6163,6175,7311,7833,8191,8421,8931,9121,9331,9703,9841,10507,10921,11343,11991,14281,14521,15007,16003,16771,18279,18633,20307,21757,22651,22953,23563,24181,25441,26733,27061,28393,29413,29757,30103,31863,33673,36673,38221,39007,39801,40201,40603,42231,42643,43891,44311,47743,47989,49507,51303,52671,53593,54991,57361,57841,58323,60763,61257,65281,65793,66823,67861,71557,74257,75895,75901,80941,81511,83233,90301,92113,95791,96411,98283,99541,101443,102721,103363,104653,111111,115261,115941,116623,120063,122851,124257,124963,125671,127807,128523,130683,131071,138013,138757,139503,141753,142507,144781,150933,155631,161203,162813,168511,172641,180201,188791,194041,200257,202051,204757,208393,215761,219661,224203,227053,228007,230881,231843,238633,247507,248503,250501,251503,253513,255531,258573,260611,265741,266305,266773,271453,278257,282493,284623,287833,293223,296481,298663,301951,304153,308581,316407,317533,318661,319791,325471,327757,335821,335923,338143,339307,345157,347971,351057,352243,357007,364213,367843,370273,372711,376383,378505,388753,391251,398793,402591,407683,410775,424453,427063,437583,438907,446893,448231,450913,452257,463081,464443,468541,474033,476791,478173,480943,483721,494913,507657,510511,511941,524287,526351,530713,532171,536557,539491,542433,552793,555771,561751,566257,575323,590593,593671,595213,597871,606063,607621,612307,613873,618583,620157,626473,631231,632821,636007,637603,644007,663411,665041,669943,673221,674863,678153,679801,688071,689305,699733,704761,709807,711493,719953,737023,742183,749091,757771. 一些较大的示例：
9650343,9656557,9687657,9700111,9712573,9731281,9750007,9756253,9768751,9787513,9793771,9818823,9831361,9843907,9881593,9894171,9900463,9938257,9957181,9976123.