Definition Of Square Number - Math Is Fun

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ABCDEFGHIJKLMNOPQRSTUVWXYZ Definition of Square Number more ... 4 times 4 equals 16

A number made by squaring a whole number.

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) 36, 49, 64, 81, 100, 121, 144, ... and so on

Also known as "Perfect Square".