Search a number
amenable n.  and  uban n.

First numbers that belong to both sets:

1, 5, 8, 9, 12, 13, 16, 17, 20, 21, 25, 28, 29, 32, 33, 36, 37, 40, 41, 45, 48, 49, 52, 53, 56, 57, 60, 61, 65, 68, 69, 72, 73, 76, 77, 80, 81, 85, 88, 89, 92, 93, 96, 97, 1000000, 1000001, 1000005, 1000008, 1000009, 1000012, 1000013, 1000016, 1000017, 1000020, 1000021, 1000025, 1000028, 1000029, 1000032, 1000033, 1000036, 1000037, 1000040, 1000041, 1000045, 1000048, 1000049, 1000052, 1000053, 1000056, 1000057, 1000060, 1000061, 1000065, 1000068, 1000069, 1000072, 1000073, 1000076, 1000077, 1000080, 1000081, 1000085, 1000088, 1000089, 1000092, 1000093, 1000096, 1000097, 2000000, 2000001, 2000005, 2000008, 2000009, 2000012, 2000013, 2000016, 2000017, 2000020, 2000021, 2000025, 2000028, 2000029, 2000032, 2000033, 2000036, 2000037, 2000040, 2000041, 2000045, 2000048, 2000049, 2000052, 2000053, 2000056, 2000057, 2000060, 2000061, 2000065, 2000068, 2000069, 2000072, 2000073, 2000076, 2000077, 2000080, 2000081, 2000085, 2000088, 2000089, 2000092, 2000093, 2000096, 2000097, 3000000, 3000001, 3000005, 3000008, 3000009, 3000012, 3000013, 3000016, 3000017, 3000020, 3000021, 3000025, 3000028, 3000029, 3000032, 3000033, 3000036, 3000037, 3000040, 3000041, 3000045, 3000048, 3000049, 3000052, 3000053, 3000056, 3000057, 3000060, 3000061, 3000065, 3000068, 3000069, 3000072, 3000073, 3000076, 3000077, 3000080, 3000081, 3000085, 3000088, 3000089, 3000092, 3000093, 3000096, 3000097, 5000000, 5000001, 5000005, 5000008, 5000009, 5000012, 5000013, 5000016, 5000017, 5000020, 5000021, 5000025, 5000028, 5000029, 5000032, 5000033, 5000036, 5000037, 5000040, 5000041, 5000045, 5000048, 5000049, 5000052, 5000053, 5000056, 5000057, 5000060, 5000061, 5000065, 5000068, 5000069, 5000072, 5000073, 5000076, 5000077, 5000080, 5000081, 5000085, 5000088, 5000089, 5000092, 5000093, 5000096, 5000097, 6000000, 6000001, 6000005, 6000008, 6000009, 6000012, 6000013, 6000016, 6000017, 6000020, 6000021, 6000025, 6000028, 6000029, 6000032, 6000033, 6000036, 6000037, 6000040, 6000041, 6000045, 6000048, 6000049, 6000052, 6000053, 6000056, 6000057, 6000060, 6000061, 6000065, 6000068, 6000069, 6000072, 6000073, 6000076, 6000077, 6000080, 6000081, 6000085, 6000088, 6000089, 6000092, 6000093, 6000096, 6000097, 7000000, 7000001, 7000005, 7000008, 7000009, 7000012, 7000013, 7000016, 7000017, 7000020, 7000021.

Some larger examples :