Perfect Square
666998747176673568539569902794093908459385954649 is a perfect square (816699912560711352338907 × 816699912560711352338907)
666998747176673568539569902794093908459385954649 is a perfect square (816699912560711352338907 × 816699912560711352338907)
666998747176673568539569902794093908459385954649 is odd
Previous odd number is 666998747176673568539569902794093908459385954647
Next odd number is 666998747176673568539569902794093908459385954651
111010011010101010000100001110001000111100000001011000011110111110100010011101110111100001001101011111101110110000111011001000111110000000000101010000101011001
296739290901190081876401716510591227217342942225767206844512481228450983046373247051757387161828460050599499689137075603263341517394389757621449
444887328735252106719037039985650976000713424550961798362890871776578389022105811912773084713201