Square Root of 121
Calculate √121 instantly — exact value, step-by-step explanation, and properties.
How to Calculate √121
The square root of 121 is exactly 11. This is because 11 × 11 = 121. Since 121 is a perfect square, its square root is a whole number. You can verify: 11² = 11 × 11 = 121.
√121 = 11 (because 11 × 11 = 121) Properties of √121
Perfect Square?
Yes
121 = 11², so its square root is a whole number.
Decimal Value
11
Exact integer result.
Square Root Symbol
√121
Also written as 121^(1/2) or 121^0.5 in programming.
Related Square Root Values
Reference table of square roots near 121 for quick comparison.
Frequently Asked Questions
What is the square root of 121?
The square root of 121 is exactly 11. Since 121 is a perfect square, √121 = 11.
Is 121 a perfect square?
Yes, 121 is a perfect square. It equals 11², meaning 11 × 11 = 121.
How do you calculate √121 by hand?
Since 121 is a perfect square, you can find √121 by identifying which integer multiplied by itself equals 121. The answer is 11, because 11 × 11 = 121.
What is √121 in simplified radical form?
√121 = 11. Since it's a perfect square, no radical form is needed.