121 squared

121² = 121 × 121 = 14,641

To square a number, multiply it by itself. 121 squared is written 121² or 121^2, and the answer is 14,641.

How to work out 121 squared

• Direct: 121 × 121 = 14,641.
• From the previous square: 120² = 14,400, and 121² = 14,400 + (2 × 121 − 1) = 14,400 + 241 = 14,641.
• Split the number: 121 = 120 + 1, so 121² = 120² + 2 × 120 × 1 + 1² = 14,400 + 240 + 1 = 14,641.

Related

• 121 cubed = 1,771,561
• The square root of 14,641 is 121, so 14,641 is a perfect square.

Squares near 121

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