What is the square root of 823

The short answer is \( \sqrt{ 823 } = 28.687976575562 \).

If that's all you're looking for, thanks for coming by. But if you're interested in the hows and whys behind square roots, continue reading and we'll tell you all about the square root of 823.

823 is not a perfect square

Let's look at some math

$$ \LARGE \sqrt{ 823 } = 28.687976575562 $$

Note that \(28.687976575562\) is not a whole number, therefore 823 is not a perfect square.

The next perfect square greater than 823 is 841. The previous perfect square less than 823 is 784.

Square root of 823 as an exponent

Any square root can be converted to a number with a fractional exponent. In the case of 823 the following two values are equal.

$$ \LARGE \sqrt{ 823 } = 823^{^1/_2} $$

Square root of 823 as a fraction

Since 823 is not a perfect square, sometimes we might want to get a fractional estimate of the square root value. In the case of 823 that value is \(\Large 28 \frac{11}{16}\).

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