Perfect Square
19965512540047996097266017920718514083840298009 is a perfect square (141299372044068179210747 × 141299372044068179210747)
19965512540047996097266017920718514083840298009 is a perfect square (141299372044068179210747 × 141299372044068179210747)
19965512540047996097266017920718514083840298009 is odd
Previous odd number is 19965512540047996097266017920718514083840298007
Next odd number is 19965512540047996097266017920718514083840298011
1101111111010010001101100000000001010101111011101011001110101011001011110011010000000000011110111101010111100001100111101000100111011010101000110000011001
7958686370132367883790040045418386895658349376132307268355456502974821811745359615942930247677633503354412157547201104160575821642900414729
398621690986813784963673784649293206555084016269524197516161807611745505356472822237929364081