Perfect Square
665043924648076009 is a perfect square (815502253 × 815502253)
665043924648076009 is a perfect square (815502253 × 815502253)
665043924648076009 is odd
Previous odd number is 665043924648076007
Next odd number is 665043924648076011
1001 0011 1010 1011 0101 1110 1101 0000 1000 1010 1110 0010 0010 1110 1001