Question: 99 is perfect square or not?
Answer: Is 99 a perfect square number? A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 99 is about 9.950. Thus, the square root of 99 is not an integer, and therefore 99 is not a square number.