属于这两个集合的第一个数字:
三,17,41,177,241,321,417,1217,1473,2177,2241,3073,3201,3777,7041,10241,11777,12417,14721,22017,22273,23041,24321,41217,41473,42241,43777,73217,74241,101377,102401,114177,120321,124417,201217,202241,203777,214017,222721,242177,243201,307201,310273,312321,317441,342017,343041,414721,440321,444417,470017,471041,700417,701441,727041,741377,742401,771073,773121,777217.