Perfect Square
19965512540472909406777816047073634809590801225 is a perfect square (141299372045571771559965 × 141299372045571771559965)
19965512540472909406777816047073634809590801225 is a perfect square (141299372045571771559965 × 141299372045571771559965)
19965512540472909406777816047073634809590801225 is odd
Previous odd number is 19965512540472909406777816047073634809590801223
Next odd number is 19965512540472909406777816047073634809590801227
1101111111010010001101100000000001101010011001000010100110101001000111100010110111010010000010001101000011111001101111010001001111000111110110001101001001
7958686370640506869682043510307035161914675184164315618824243788528061774970370800943174215174337654956437650218068797336179478584588265625
398621691003781008982836537870342718074734027407983995702798096177967988702068728137461500625