51 squared

51² = 51 × 51 = 2,601

To square a number, multiply it by itself. 51 squared is written 51² or 51^2, and the answer is 2,601.

How to work out 51 squared

Direct: 51 × 51 = 2,601.
From the previous square: 50² = 2,500, and 51² = 2,500 + (2 × 51 − 1) = 2,500 + 101 = 2,601.
Split the number: 51 = 50 + 1, so 51² = 50² + 2 × 50 × 1 + 1² = 2,500 + 100 + 1 = 2,601.

Related

51 cubed = 132,651
The square root of 2,601 is 51, so 2,601 is a perfect square.

Squares near 51

Number	Squared
47	2,209
48	2,304
49	2,401
50	2,500
52	2,704
53	2,809
54	2,916
55	3,025

Need another number? Use the exponent calculator or see all squares and cubes.