属于这两个集合的第一个数字：
4,10,14,21,121,143,221,247,323,341,377,403,407,473,703,1003,1007,1027,1073,1121,1147,1207,1241,1247,1271,1273,1343,1403,1411,1711,2021,2047,2077,2117,2173,2201,2407,2701,2747,2773,3007,3071,3127,3403,3721,4171,4307,4717,10201,10403,11021,11227,12317,14017,14111,14317,17201,17441,17473,17741,20227,20701,20711,21311,21473,22201,23701,23707,23711,24047,24307,24341,24743,27007,27221,27371,27707,40003,40141,40217,40247,40301,40723,40727,40741,41003,41273,41303,41311,41347,41471,41707,41747,42127,42173,42401,43273,43423,44117,44147,44173,44243,44323,44377,44743,47071,47077,47347,47371,47401,47477,70027,70247,70303,70307,70723,70727,70747,71107,71173,71177,71243,71273,71303,71371,71377,71441,72011,72203,72217,72311,72377,73027,73111,73147,73211,73217,73373,73427,73441,74117,74141,74227,74447,77123,77173,77321,77411,77423,100127,100141,100171,100273,100277,100421,100423,100777,101243,101447,102073,102227,102307,102371,102721,102743,103027,103127,103223,103277,103321,103373,103777,104077,104141,104341,104407,104411,104477,107011,107047,107143,107147,107221,107311,107417,107447,107743,110021,110111,110203,110207,110401,110443,110707,110723,111047,111077,111101,111107,111277,111743,112117,112141,112477,112711,114007,114211,114271,114307,114403,114707,117107,117121,117217,117343,120073,120143,120217,120347,121103,121111,121223,121243,121273,121411,121477,121747,122411,122711,122747,123103,123107,123223,123241,123271,123317,124043,124211,124273,124307,124373,124711,124723,127117,127201,127273,127327,127723,127741,140003,140017,140141,140303,140311,140347,140377,141103,141203,141217,141343,141727,142003,142127,142141,142447,142741,143027,143041,143071,143321,143323,143371,143417,143441,144047,144121,144227,144317,144377,144401. 一些较大的示例：
704203,711247,711743,712111,714347,714401,720017,720701,721421,721771,722003,723301,724301,740771,741317,743471,744241,770141,771041,774443.