Search a number
modest n.  and  uban n.

First numbers that belong to both sets:

13, 19, 23, 26, 29, 39, 46, 49, 59, 69, 79, 89, 1000003, 1000007, 1000009, 1000011, 1000013, 1000015, 1000018, 1000021, 1000027, 1000030, 1000033, 1000037, 1000039, 1000041, 1000045, 1000063, 1000077, 1000082, 1000090, 1000091, 1000099, 2000003, 2000006, 2000007, 2000009, 2000011, 2000013, 2000018, 2000021, 2000022, 2000026, 2000027, 2000030, 2000033, 2000036, 2000037, 2000039, 2000041, 2000042, 2000045, 2000060, 2000063, 2000066, 2000077, 2000078, 2000082, 2000090, 2000091, 2000099, 3000007, 3000009, 3000011, 3000013, 3000021, 3000027, 3000033, 3000037, 3000039, 3000041, 3000045, 3000063, 3000077, 3000081, 3000082, 3000090, 3000091, 3000099, 5000007, 5000009, 5000011, 5000013, 5000015, 5000021, 5000027, 5000033, 5000035, 5000037, 5000039, 5000045, 5000055, 5000063, 5000065, 5000075, 5000077, 5000082, 5000090, 5000091, 5000099, 6000007, 6000009, 6000011, 6000013, 6000018, 6000021, 6000022, 6000026, 6000027, 6000033, 6000037, 6000039, 6000042, 6000063, 6000066, 6000077, 6000078, 6000081, 6000082, 6000090, 6000091, 6000099, 7000009, 7000011, 7000013, 7000021, 7000027, 7000033, 7000037, 7000039, 7000049, 7000063, 7000077, 7000082, 7000090, 7000091, 7000099, 8000009, 8000011, 8000012, 8000013, 8000018, 8000021, 8000022, 8000026, 8000027, 8000028, 8000033, 8000036, 8000037, 8000039, 8000042, 8000052, 8000056, 8000063, 8000066, 8000072, 8000077, 8000078, 8000082, 8000088, 8000090, 8000091, 8000099, 9000011, 9000013, 9000021, 9000027, 9000033, 9000037, 9000039, 9000063, 9000077, 9000081, 9000091, 9000099, 10000003, 10000009, 10000011, 10000013, 10000015, 10000018, 10000021, 10000022, 10000026, 10000027, 10000030, 10000033, 10000035, 10000037, 10000039, 10000042, 10000045, 10000055, 10000063, 10000065, 10000066, 10000070, 10000077, 10000078, 10000090, 10000091, 10000099, 11000013, 11000021, 11000027, 11000033, 11000037, 11000039, 11000063, 11000077, 11000091, 11000099, 12000013, 12000018, 12000021, 12000022, 12000026, 12000027, 12000028, 12000033, 12000036, 12000037, 12000039, 12000042, 12000052, 12000063, 12000066, 12000077, 12000078, 12000081, 12000091, 12000099, 13000021, 13000027, 13000033, 13000037, 13000039, 13000063, 13000077, 13000091, 13000099, 15000021, 15000027, 15000033, 15000035, 15000037, 15000039, 15000045, 15000055, 15000063, 15000065, 15000077, 15000081, 15000091, 15000099, 16000018, 16000021, 16000022, 16000026, 16000027, 16000028, 16000033, 16000036, 16000037, 16000039, 16000042, 16000048, 16000052, 16000056, 16000063, 16000066, 16000072, 16000077, 16000078, 16000088, 16000091, 16000099, 17000021, 17000027.

Some larger examples :