Search a number
aban n.  and  square n.

First numbers that belong to both sets:

1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, 256, 289, 324, 361, 400, 441, 484, 529, 576, 625, 676, 729, 784, 841, 900, 961, 1000000, 4000000, 9000000, 15000129, 16000000, 19000881, 24000201, 25000000, 34000561, 36000000, 39000025, 49000000, 60000516, 64000000, 77000625, 81000000, 89000356, 96000804, 100000000, 121000000, 126000625, 144000000, 156000100, 157000900, 169000000, 196000000, 225000000, 251000649, 253000836, 256000000, 289000000, 324000000, 351000225, 361000000, 392000401, 399000625, 400000000, 401000625, 414000409, 427000896, 441000000, 484000000, 529000000, 576000000, 624000400, 625000000, 626000400, 659000241, 676000000, 704000089, 729000000, 784000000, 828000625, 841000000, 900000000, 961000000, 975000625, 976000081, 977000049, 978000529, 1024000000, 1044000721, 1061000329, 1089000000, 1097000641, 1156000000, 1225000000, 1268000881, 1283000761, 1296000000, 1369000000, 1375000561, 1404000900, 1407000100, 1444000000, 1451000464, 1521000000, 1531000384, 1598000625, 1600000000, 1602000625, 1681000000, 1764000000, 1849000000, 1900000921, 1928000281, 1936000000, 1957000644, 1988000569, 1998000601, 2025000000, 2116000000, 2171000836, 2209000000, 2263000041, 2273000976, 2304000000, 2319000336, 2379000625, 2401000000, 2406000601, 2417000569, 2497000900, 2498000400, 2499000100, 2500000000, 2501000100, 2502000400, 2503000900, 2545000704, 2601000000, 2606000401, 2624000625, 2636000964, 2704000000, 2809000000, 2816000356, 2878000609, 2916000000, 2928000321, 2966000521, 2998000516, 3025000000, 3136000000, 3240000241, 3249000000, 3356000761, 3364000000, 3481000000, 3566000656, 3597000625, 3600000000, 3603000625, 3721000000, 3761000929, 3808000681, 3830000769, 3844000000, 3903000676, 3904000324, 3905000100, 3906000004, 3907000036, 3908000196, 3909000484, 3910000900, 3969000000, 4040000721, 4096000000, 4225000000, 4262000656, 4282000969, 4356000000, 4489000000, 4624000000, 4730000625, 4761000000, 4814000689, 4880000449, 4900000000, 5041000000, 5073000625, 5131000161, 5184000000, 5227000804, 5329000000, 5388000409, 5476000000, 5558000704, 5622000400, 5625000000, 5628000400, 5776000000, 5905000336, 5929000000, 5979000976, 6084000000, 6223000996, 6241000000, 6336000801, 6396000625, 6400000000, 6404000625, 6561000000, 6604000225, 6724000000, 6889000000, 7056000000, 7225000000, 7320000249, 7374000384, 7396000000, 7553000464, 7569000000, 7651000900, 7658000100, 7744000000, 7881000625, 7921000000, 8100000000, 8247000969, 8281000000, 8322000625, 8464000000, 8530000164, 8649000000, 8784000729, 8787000121, 8790000025, 8793000441, 8836000000, 8938000681, 9025000000, 9052000164, 9216000000, 9409000000, 9604000000, 9801000000, 9994000900, 9995000625, 9996000400, 9997000225, 9998000100, 9999000025, 10000000000, 10001000025, 10002000100, 10003000225, 10004000400, 10005000625, 10006000900, 10127000689, 10201000000, 10361000521, 10404000000, 10443000481, 10609000000, 10816000000, 10886000896, 11025000000, 11236000000, 11288000025, 11393000644, 11449000000, 11664000000, 11797000996, 11832000625, 11881000000, 12100000000.

Some larger examples :