√161 = 12.6885775404. 161 is not a perfect square; the result is irrational.

Is 161 a perfect square?

No, 161 is not a perfect square. Its square root is irrational.

What is 12.6885775404 squared?

12.6885775404 squared is approximately 161. (12.6885775404)² ≈ 161

Instant answer with step-by-step solution

√161 = 12.6885775404

√161 = 12.6885775404

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

We need to find √161 — a number that when multiplied by itself equals 161.
161 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): √161 = 161^0.5 = 12.6885775404
Verification: 12.6885775404 × 12.6885775404 ≈ 161 ✓ (rounded to 10 significant figures)

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