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What is the Square Root of 16721?

The square root of 16721 is 129.3097057455. Calculate another value or review the exact form, nearby perfect powers, and verification.

Answer

Square Root√16721 = 129.3097057455
CalculatedNon-perfect squareIrrational
Exact form√16721
Perfect squareNo
Number typeIrrational
Verification129.30970574552 ≈ 16721

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How the answer is calculated

We solve x2 = 16721. The resulting value is x = 129.3097057455.

Verification: 129.30970574552 ≈ 16721.

Simplified radical form

The square root of 16721 in simplified radical form is √16721.

There are no square factors that can be taken outside the radical, so √16721 is already in simplest radical form.

Nearest Perfect squares

PositionBaseValue
Lower or equal12916641
Upper or equal13016900

Nearby square roots

NumberSquare root
√16718129.2981051679
√16719129.3019721427
√16720129.305839002
√16721129.3097057455
√16722129.3135723735
√16723129.3174388859
√16724129.3213052826

Number properties

Is 16721 a perfect square?

No. Its square root is not a whole number.

Is the square root rational or irrational?

√16721 is irrational because 16721 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 16721.