133 squared

133² = 133 × 133 = 17,689

To square a number, multiply it by itself. 133 squared is written 133² or 133^2, and the answer is 17,689.

How to work out 133 squared

• Direct: 133 × 133 = 17,689.
• From the previous square: 132² = 17,424, and 133² = 17,424 + (2 × 133 − 1) = 17,424 + 265 = 17,689.
• Split the number: 133 = 130 + 3, so 133² = 130² + 2 × 130 × 3 + 3² = 16,900 + 780 + 9 = 17,689.

Related

• 133 cubed = 2,352,637
• The square root of 17,689 is 133, so 17,689 is a perfect square.

Squares near 133

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