Perfect Square
665230224504027961 is a perfect square (815616469 × 815616469)
665230224504027961 is a perfect square (815616469 × 815616469)
665230224504027961 is odd
Previous odd number is 665230224504027959
Next odd number is 665230224504027963
1001 0011 1011 0101 1111 0101 1101 0101 1001 0110 1010 0111 1011 0011 1001