Perfect Square
81537712086995829592929 is a perfect square (285548090673 × 285548090673)
81537712086995829592929 is a perfect square (285548090673 × 285548090673)
81537712086995829592929 is odd
Previous odd number is 81537712086995829592927
Next odd number is 81537712086995829592931
10001010001000010101100010001000100011100111100100100111111010001001101100001
542095202111446448804234842070216120010069102008193330490564697581089