Perfect Square
816651803644188205078225 is a perfect square (903687890615 × 903687890615)
816651803644188205078225 is a perfect square (903687890615 × 903687890615)
10101100 11101110 11001000 01110001 10011111 10110001 11100101 00010001 01010110 11010001
816651803644188205078225 is odd
Previous odd number is 816651803644188205078223
Next odd number is 816651803644188205078227
544641558406712145481198616043492711600498441674234070814083804932640625