Square Root Calculator › Square root of 823
Square Root of 823
√823 ≈ 28.687977
823 is not a perfect square, so √823 is an irrational number that is approximately 28.687977. In simplified radical form, √823 = √823.
√823 lies between √784 = 28 and √841 = 29.
| Number | 823 |
| Square root (decimal) | 28.687977 |
| Simplified radical | √823 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 823 a perfect square?
No, 823 is not a perfect square, so its square root is irrational and approximately 28.687977.
What is the square root of 823 in simplest radical form?
√823 = √823 in simplest radical form.