Perfect Square
816988610513953900207441 is a perfect square (903874222729 × 903874222729)
816988610513953900207441 is a perfect square (903874222729 × 903874222729)
10101101 00000001 00001010 10010011 11111111 01000100 01111100 10010100 00011101 01010001
816988610513953900207441 is odd
Previous odd number is 816988610513953900207439
Next odd number is 816988610513953900207443
545315706247988928996528610121569214380397115316489702773047630785467121