Perfect Square
27800295306725550613761 is a perfect square (166734205569 × 166734205569)
27800295306725550613761 is a perfect square (166734205569 × 166734205569)
27800295306725550613761 is odd
Previous odd number is 27800295306725550613759
Next odd number is 27800295306725550613763
101111000110000111010011001011010010011000010001111100110100110010100000001
21485636681822334945316305228634061815787921184292343153967721230081