Perfect Square
665230244078823361 is a perfect square (815616481 × 815616481)
665230244078823361 is a perfect square (815616481 × 815616481)
665230244078823361 is odd
Previous odd number is 665230244078823359
Next odd number is 665230244078823363
1001 0011 1011 0101 1111 0110 0001 1110 1000 0010 1010 0010 0111 1100 0001