Square+or+Not+Square

= ﻿17 is not square because no factors are multiplied by itself. Some more examples of not square numbers are 2,3,5,6,7,8,10,11,12,13,14,15,17,18 and so on. Also, not square numbers are when they are not in a perfect square. This is how i knew 17 isn't a square number. Here are some examples of square numbers 4,9,16,25,36,49 and so on... Those are the first 7 square numbers. =