√165 = 12.8452325787. 165 is not a perfect square; the result is irrational.

Is 165 a perfect square?

No, 165 is not a perfect square. Its square root is irrational.

What is 12.8452325787 squared?

12.8452325787 squared is approximately 165. (12.8452325787)² ≈ 165

Instant answer with step-by-step solution

√165 = 12.8452325787

√165 = 12.8452325787

⚠ 165 is not a perfect square — result rounded to 10 significant figures

We need to find √165 — a number that when multiplied by itself equals 165.
165 is not a perfect square. Its square root is irrational.
It falls between √144 = 12 and √169 = 13.
Using the formula √N = N^(1/2): √165 = 165^0.5 = 12.8452325787
Verification: 12.8452325787 × 12.8452325787 ≈ 165 ✓ (rounded to 10 significant figures)

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