65 squared
65² = 65 × 65 = 4,225
To square a number, multiply it by itself. 65 squared is written 65² or 65^2, and the answer is 4,225.
How to work out 65 squared
- Direct: 65 × 65 = 4,225.
- From the previous square: 64² = 4,096, and 65² = 4,096 + (2 × 65 − 1) = 4,096 + 129 = 4,225.
- Split the number: 65 = 60 + 5, so 65² = 60² + 2 × 60 × 5 + 5² = 3,600 + 600 + 25 = 4,225.
Related
- 65 cubed = 274,625
- The square root of 4,225 is 65, so 4,225 is a perfect square.
Squares near 65
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