Square Numbers
A square number is the result of multiplying a number by itself.
5 × 5 = 25
Therefore, 25 is a square number.
Examples
- 1 = 1²
- 4 = 2²
- 9 = 3²
- 16 = 4²
- 25 = 5²
Square Roots
The square root reverses squaring.
√25 = 5
Applications
Square numbers appear in geometry, physics, and engineering.