Perfect Square
816961112179865548090441 is a perfect square (903859011229 × 903859011229)
816961112179865548090441 is a perfect square (903859011229 × 903859011229)
10101100 11111111 10001100 11110110 01001010 00011011 01001001 01010101 11101100 01001001
816961112179865548090441 is odd
Previous odd number is 816961112179865548090439
Next odd number is 816961112179865548090443
545260645129975537731837269833959423129056447339409654858227410659636121