属于这两个集合的第一个数字:
7,21,40,43,73,111,121,127,211,241,273,307,341,343,400,421,703,1023,1111,1123,1407,1723,2047,2071,3307,3423,4423,7141,7240,7311,10101,10303,11111,11343,11773,12211,12720,14043,20023,20307,20440,21171,27723,40201,41007,41371,43473,44311,47307,47743,71023,73171,77007,100173,101443,102721,104007,111111,111223,117307,120100,141001,144021,147073,173473,174307,210223,211141,221371,224203,273007,277203,307471,340473,370273,372711,401323,410241,444223,701407,770007,777043.