127 squared

127² = 127 × 127 = 16,129

To square a number, multiply it by itself. 127 squared is written 127² or 127^2, and the answer is 16,129.

How to work out 127 squared

• Direct: 127 × 127 = 16,129.
• From the previous square: 126² = 15,876, and 127² = 15,876 + (2 × 127 − 1) = 15,876 + 253 = 16,129.
• Split the number: 127 = 120 + 7, so 127² = 120² + 2 × 120 × 7 + 7² = 14,400 + 1,680 + 49 = 16,129.

Related

• 127 cubed = 2,048,383
• The square root of 16,129 is 127, so 16,129 is a perfect square.

Squares near 127

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