Perfect Square
999999996000000004 is a perfect square (999999998 × 999999998)
999999996000000004 is a perfect square (999999998 × 999999998)
999999996000000004 is even
Previous even number is 999999996000000002
Next even number is 999999996000000006
1101 1110 0000 1011 0110 1011 0010 1011 1000 1111 1000 1101 1000 0000 0100