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What is the Square Root of 16221?

The square root of 16221 is 127.3616896873. Calculate another value or review the exact form, nearby perfect powers, and verification.

Answer

Square Root√16221 = 127.3616896873
CalculatedNon-perfect squareIrrational
Exact form√16221
Perfect squareNo
Number typeIrrational
Verification127.36168968732 ≈ 16221

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How the answer is calculated

We solve x2 = 16221. The resulting value is x = 127.3616896873.

Verification: 127.36168968732 ≈ 16221.

Simplified radical form

The square root of 16221 in simplified radical form is √16221.

There are no square factors that can be taken outside the radical, so √16221 is already in simplest radical form.

Nearest Perfect squares

PositionBaseValue
Lower or equal12716129
Upper or equal12816384

Nearby square roots

NumberSquare root
√16218127.3499116607
√16219127.3538377906
√16220127.3577637995
√16221127.3616896873
√16222127.3656154541
√16223127.3695410999
√16224127.3734666247

Number properties

Is 16221 a perfect square?

No. Its square root is not a whole number.

Is the square root rational or irrational?

√16221 is irrational because 16221 is not a perfect square.

Visual guide

Square Root function graph

See how the result changes as the input moves across positive and negative values. Square roots are shown for non-negative inputs; cube roots continue through negative inputs.

Common questions

Frequently asked questions

It asks for the number that, when raised to the power of 2, equals 16221.