Perfect Square
198990357300627832747995664 is a perfect square (14106394199108 × 14106394199108)
198990357300627832747995664 is a perfect square (14106394199108 × 14106394199108)
10100100 10011001 11011000 11100010 01101011 01010110 11110001 10101111 10111110 00110010 00010000
198990357300627832747995664 is even
Previous even number is 198990357300627832747995662
Next even number is 198990357300627832747995666
7879453473895637575501498614412428549828524090050406627257126450569545103314944