Perfect Square
665230250603755225 is a perfect square (815616485 × 815616485)
665230250603755225 is a perfect square (815616485 × 815616485)
665230250603755225 is odd
Previous odd number is 665230250603755223
Next odd number is 665230250603755227
1001 0011 1011 0101 1111 0110 0011 0110 1101 0001 0100 1011 0110 1101 1001