Perfect Square
999999999996000000000004 is a perfect square (999999999998 × 999999999998)
999999999996000000000004 is a perfect square (999999999998 × 999999999998)
999999999996000000000004 is even
Previous even number is 999999999996000000000002
Next even number is 999999999996000000000006
11010011 11000010 00011011 11001110 11001001 01001010 01001110 01101011 11000000 00000100
999999999988000000000059999999999840000000000239999999999808000000000064