Perfect Square
816399326916079650598895716 is a perfect square (28572702478346 × 28572702478346)
816399326916079650598895716 is a perfect square (28572702478346 × 28572702478346)
816399326916079650598895716 is even
Previous even number is 816399326916079650598895714
Next even number is 816399326916079650598895718
544136569095718355666384406402675179360731814648040382083344414946214418412421696
101010001101001111010010000011000101100010010001110011010100000100101000010100000001100100