Perfect Square
816809883746623435570225 is a perfect square (903775350265 × 903775350265)
816809883746623435570225 is a perfect square (903775350265 × 903775350265)
10101100 11110111 01011010 00111110 11110111 01010000 11000010 01010111 11111100 00110001
816809883746623435570225 is odd
Previous odd number is 816809883746623435570223
Next odd number is 816809883746623435570227
544957900058987387966240172657923403431843975862658092258454084705140625