Perfect Square
816912991745650458742801 is a perfect square (903832391401 × 903832391401)
816912991745650458742801 is a perfect square (903832391401 × 903832391401)
10101100 11111100 11110001 00101000 00101010 00100100 00010101 01100001 11010000 00010001
816912991745650458742801 is odd
Previous odd number is 816912991745650458742799
Next odd number is 816912991745650458742803
545164300396418179181415810303673314423082353427315964921961247783748401