Perfect Square
19965512540047996097263757130765808992972926121 is a perfect square (141299372044068179210739 × 141299372044068179210739)
19965512540047996097263757130765808992972926121 is a perfect square (141299372044068179210739 × 141299372044068179210739)
19965512540047996097263757130765808992972926121 is odd
Previous odd number is 19965512540047996097263757130765808992972926119
Next odd number is 19965512540047996097263757130765808992972926123
1101111111010010001101100000000001010101111011101011001110101011001011101011110001010001000100010000011001101001111011101001011110110110110110110010101001
7958686370132367883787336445676646989408173371419867266901040235148788004744245285364005580893953994428397964285800195586490584661618469561
398621690986813784963583508988990910539626379428088328505770621210472192668973545300924106641