The number we get after multiplying an integer (not a fraction) by itself.

Example: 4 × 4 = 16, so 16 is a square number.

Here are the first few square numbers:

0 (=0×0)

1 (=1×1)

4 (=2×2)

9 (=3×3)

16 (=4×4)

25 (=5×5)

...

Example: 4 × 4 = 16, so 16 is a square number.

Here are the first few square numbers:

0 (=0×0)

1 (=1×1)

4 (=2×2)

9 (=3×3)

16 (=4×4)

25 (=5×5)

...

See: Integer

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