Perfect Square
816720531295225351800625 is a perfect square (903725916025 × 903725916025)
816720531295225351800625 is a perfect square (903725916025 × 903725916025)
10101100 11110010 10000010 00111011 01001010 00101101 10110001 00110100 10000111 00110001
816720531295225351800625 is odd
Previous odd number is 816720531295225351800623
Next odd number is 816720531295225351800627
544779077549186028796567183059397592641935980127897207730284140869140625