**Is 16 a square number?**

Here we will answer the question: "Is 16 a square number?" You could also ask "Is 16 a perfect square?" Square number and perfect square mean the same thing.

Anyway, for 16 to be a square number, 16 must be the product of an integer multiplied by itself. In other words, the square root of 16 must equal a whole number (integer).

The square root of 16 is 4 which is an integer. Thus, 16 is a square number.

The answer to the question: "Is 16 a square number?" is Yes.

The answer to the question: "Is 16 a perfect square?" is also Yes.