Search a number
happy n.  and  super Niven n.

First numbers that belong to both sets:

1, 7, 10, 70, 100, 280, 440, 700, 1000, 2080, 2800, 4040, 4400, 7000, 8200, 8880, 10000, 11220, 12120, 15120, 20080, 20800, 21120, 28000, 40040, 40400, 44000, 70000, 80200, 80880, 82000, 88080, 88800, 100000, 101220, 102120, 103320, 110220, 112020, 112200, 120120, 121020, 121200, 122100, 141120, 151200, 200080, 200800, 201120, 208000, 210120, 211020, 211200, 212100, 221100, 222240, 280000, 330120, 400040, 400400, 404000, 408240, 428400, 440000, 700000, 800200, 800880, 802000, 808080, 808800, 820000, 880080, 880800, 888000, 1000000, 1001220, 1002120, 1010220, 1010520, 1012020, 1012200, 1020120, 1021020, 1021200, 1022100, 1023120, 1033200, 1100220, 1101240, 1102020, 1102200, 1120020, 1120200, 1121400, 1122000, 1200120, 1201020, 1201200, 1202100, 1210020, 1210200, 1212000, 1220100, 1221000, 1300320, 1323000, 1401120, 1411200, 1512000, 2000080, 2000800, 2001120, 2008000, 2010120, 2011020, 2011200, 2012100, 2021100, 2022240, 2031120, 2080000, 2100120, 2101020, 2101200, 2102100, 2110020, 2110200, 2112000, 2120100, 2121000, 2201100, 2202240, 2210100, 2211000, 2220240, 2222040, 2222400, 2222640, 2224200, 2242200, 2331000, 2404080, 2422200, 2444400, 2800000, 3001320, 3102120, 3112200, 3213000, 3301200, 4000040, 4000400, 4004000, 4040000, 4042080, 4082400, 4110120, 4208400, 4222200, 4284000, 4400000, 4420080, 4440240, 5045040, 5405400, 7000000, 8000200, 8000880, 8002000, 8008080, 8008800, 8020000, 8080080, 8080800, 8088000, 8200000, 8240400, 8442000, 8800080, 8800800, 8808000, 8880000, 10000000.