Perfect Square
816961112172634676000625 is a perfect square (903859011225 × 903859011225)
816961112172634676000625 is a perfect square (903859011225 × 903859011225)
10101100 11111111 10001100 11110110 01000011 10000111 10110111 11000101 11110111 01110001
816961112172634676000625 is odd
Previous odd number is 816961112172634676000623
Next odd number is 816961112172634676000627
545260645115497333365449510203606329920975600278866650136260937744140625