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nialpdrome  and  super Niven n.

First numbers that belong to both sets:

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 200, 210, 220, 300, 330, 400, 420, 440, 500, 510, 540, 550, 600, 630, 660, 700, 770, 800, 840, 880, 900, 990, 1000, 1100, 1110, 2000, 2100, 2200, 2220, 3000, 3300, 3330, 4000, 4100, 4200, 4400, 4440, 5000, 5100, 5400, 5500, 5550, 6000, 6300, 6600, 6660, 7000, 7700, 7770, 8000, 8200, 8400, 8800, 8880, 9000, 9900, 9990, 10000, 11000, 11100, 20000, 21000, 22000, 22200, 30000, 32100, 33000, 33300, 40000, 41000, 41100, 42000, 44000, 44400, 50000, 51000, 54000, 55000, 55500, 60000, 63000, 64200, 66000, 66600, 70000, 77000, 77700, 80000, 81000, 82000, 82200, 84000, 88000, 88800, 90000, 96300, 99000, 99900, 100000, 110000, 111000, 200000, 210000, 220000, 221100, 222000, 300000, 311100, 321000, 330000, 333000, 400000, 410000, 411000, 420000, 440000, 441000, 442200, 444000, 500000, 510000, 531000, 540000, 550000, 555000, 600000, 622200, 630000, 642000, 660000, 663300, 666000, 700000, 770000, 777000, 800000, 810000, 820000, 822000, 840000, 880000, 882000, 884400, 888000, 900000, 933300, 963000, 990000, 999000, 1000000, 1100000, 1110000, 2000000, 2100000, 2111100, 2200000, 2211000, 2220000, 3000000, 3111000, 3210000, 3300000, 3330000, 4000000, 4100000, 4110000, 4200000, 4221000, 4222200, 4400000, 4410000, 4422000, 4440000, 5000000, 5100000, 5310000, 5400000, 5500000, 5550000, 6000000, 6111000, 6222000, 6300000, 6333300, 6420000, 6600000, 6633000, 6660000, 7000000, 7700000, 7770000, 8000000, 8100000, 8200000, 8220000, 8400000, 8442000, 8444400, 8800000, 8820000, 8844000, 8880000, 9000000, 9333000, 9630000, 9900000, 9990000, 10000000, 11000000, 11100000, 11111100, 20000000, 21000000, 21111000, 22000000, 22110000, 22200000, 22222200, 30000000, 31110000, 32100000, 33000000, 33300000, 33333300, 40000000, 41000000, 41100000, 42000000, 42210000, 42222000, 44000000, 44100000, 44220000, 44400000, 44444400, 50000000, 51000000, 53100000, 54000000, 55000000, 55500000, 55555500, 60000000, 61110000, 62220000, 63000000, 63333000, 64200000, 66000000, 66330000, 66600000, 66666600, 70000000, 77000000, 77700000, 77777700, 80000000, 81000000, 82000000, 82200000.

Some larger examples :