Perfect Square
665230217979096225 is a perfect square (815616465 × 815616465)
665230217979096225 is a perfect square (815616465 × 815616465)
665230217979096225 is odd
Previous odd number is 665230217979096223
Next odd number is 665230217979096227
1001 0011 1011 0101 1111 0101 1011 1101 0100 0111 1111 1110 1100 1010 0001