A number squared is a number times itself.
If you must know, it's 16.
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There is no perfect square number between 1 and 4. On the other hand, every number is a square - or its square roots.
4 x 4 = 16 so it is a square number.
6220 is not a square number. The nearest number that is a square number would be 6241. A square number is when all the integers are written down, it could represent a square eg. 4 x 4 meaning that 16 is a square number.
4 is a square number, and an even number.
To square a number, all you do is multiply a number by itself. Example: 4 squared = 4 x 4 = 16.