Perfect Square
642827267560359025 is a perfect square (801765095 × 801765095)
642827267560359025 is a perfect square (801765095 × 801765095)
642827267560359025 is odd
Previous odd number is 642827267560359023
Next odd number is 642827267560359027
1000 1110 1011 1100 0111 1111 1110 0111 0110 1101 1110 1100 0100 0111 0001