Perfect Square
667469227112434201 is a perfect square (816987899 × 816987899)
667469227112434201 is a perfect square (816987899 × 816987899)
667469227112434201 is odd
Previous odd number is 667469227112434199
Next odd number is 667469227112434203
1001 0100 0011 0101 0011 1011 1001 1100 0100 1000 1010 1000 1010 0001 1001