Search a number
square n.  and  uban n.

First numbers that belong to both sets:

1, 9, 16, 25, 36, 49, 81, 1000000, 9000000, 16000000, 25000000, 36000000, 39000025, 49000000, 81000000, 1089000000, 2025000000, 3025000000, 5041000000, 7056000000, 9025000000, 10000000000, 10001000025, 11025000000, 21025000000, 32041000000, 38025000000, 40000000000, 40002000025, 42025000000, 47089000000, 51076000000, 58081000000, 59049000000, 60025000000, 61009000000, 62001000000, 63001000000, 65025000000, 66049000000, 67081000000, 75076000000, 80089000000, 87025000000, 90000000000, 90003000025, 93025000000, 1000000000000, 1000002000001, 1000006000009, 1000008000016, 1000010000025, 1000012000036, 1000018000081, 1002001000000, 1006009000000, 1008016000000, 1010025000000, 1012036000000, 1018081000000, 1067089000000, 1092025000000, 2005056000000, 2042041000000, 2062096000000, 2088025000000, 3031081000000, 3038049000000, 3045025000000, 3052009000000, 3059001000000, 3066001000000, 3073009000000, 3080025000000, 3087049000000, 5022081000000, 5031049000000, 5040025000000, 5049009000000, 5058001000000, 5067001000000, 5076009000000, 5085025000000, 6027025000000, 6086089000000, 7049025000000, 9000000000000, 9000006000001, 9000018000009, 9000030000025, 9000036000036, 9000042000049, 9006001000000, 9018009000000, 9030025000000, 9036036000000, 9042049000000, 11029041000000, 12020089000000, 13005003000025, 16000000000000, 16000008000001, 16000032000016, 16000040000025, 16000048000036, 16000056000049, 16000072000081, 16008001000000, 16032016000000, 16040025000000, 16048036000000, 16056049000000, 16072081000000, 18003049000000, 18020025000000, 18037009000000, 18071001000000, 18088009000000, 21013056000000, 22043025000000, 22090000000000, 22090047000025, 23040000000000, 23040048000025, 23088025000000, 25000000000000, 25000010000001, 25000030000009, 25000040000016, 25000050000025, 25000060000036, 25000070000049, 25000090000081, 25010001000000, 25030009000000, 25040016000000, 25050025000000, 25060036000000, 25070049000000, 25090081000000, 26010000000000, 26010051000025, 26061025000000, 27040000000000, 27040052000025, 27092025000000, 28037025000000, 28090000000000, 28090053000025, 31036041000000, 33005025000000, 33028009000000, 33051001000000, 33097009000000, 36000000000000, 36000012000001, 36000036000009, 36000048000016, 36000060000025, 36000072000036, 36012001000000, 36036009000000, 36048016000000, 36060025000000, 36072036000000, 37015056000000, 39000025000000, 39025009000000, 39050001000000, 39075001000000, 43086096000000, 46009089000000, 48011041000000, 49000000000000, 49000042000009, 49000056000016, 49000070000025, 49000098000049, 49042009000000, 49056016000000, 49070025000000, 49098049000000, 51051025000000, 52085089000000, 53042089000000, 57078025000000, 60016009000000, 60047001000000, 60078001000000, 65028096000000, 67035058000036, 68013009000000, 68046001000000, 68079001000000, 71048041000000, 72097081000000, 73017025000000, 80013025000000, 81000000000000, 81000018000001, 81000072000016, 81000090000025, 81018001000000, 81072016000000, 81090025000000, 86007076000000, 89038096000000, 90079081000000, 93026025000000, 95043001000000, 95082001000000, 96040000000000, 96040098000025, 98010000000000, 98010099000025.