Perfect Square
198990781152520203232470016 is a perfect square (14106409222496 × 14106409222496)
198990781152520203232470016 is a perfect square (14106409222496 × 14106409222496)
10100100 10011001 11101111 11011100 10001011 11000001 01100100 00110111 10010001 11100100 00000000
198990781152520203232470016 is even
Previous even number is 198990781152520203232470014
Next even number is 198990781152520203232470018
7879503823999402087949952949991119366270574567430136804008094295129525736964096