Perfect Square
19965512540047996097267148315694866629273984001 is a perfect square (141299372044068179210751 × 141299372044068179210751)
19965512540047996097267148315694866629273984001 is a perfect square (141299372044068179210751 × 141299372044068179210751)
19965512540047996097267148315694866629273984001 is odd
Previous odd number is 19965512540047996097267148315694866629273983999
Next odd number is 19965512540047996097267148315694866629273984003
1101111111010010001101100000000001010101111011101011001110101011001011110110111111011000001100010011110110011101011101101000001011101100100001110000000001
7958686370132367883791391845289256848783437665496144779588589810722130583500749979037967644151886726854063325999045029476823845488589952001
398621690986813784963718922479444354562812840440309743555180276824886804949424672490803968001