131 squared

131² = 131 × 131 = 17,161

To square a number, multiply it by itself. 131 squared is written 131² or 131^2, and the answer is 17,161.

How to work out 131 squared

• Direct: 131 × 131 = 17,161.
• From the previous square: 130² = 16,900, and 131² = 16,900 + (2 × 131 − 1) = 16,900 + 261 = 17,161.
• Split the number: 131 = 130 + 1, so 131² = 130² + 2 × 130 × 1 + 1² = 16,900 + 260 + 1 = 17,161.

Related

• 131 cubed = 2,248,091
• The square root of 17,161 is 131, so 17,161 is a perfect square.

Squares near 131

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