Perfect Square
81214295270816810041 is a perfect square (9011897429 × 9011897429)
81214295270816810041 is a perfect square (9011897429 × 9011897429)
81214295270816810041 is odd
Previous odd number is 81214295270816810039
Next odd number is 81214295270816810043
1000110011100010011001000110100000111001100101110010000010000111001
535670142814985888776724726419573876465413718456589472898921