Is 231 a perfect square?

No, 231 is not a perfect square. Its square root is irrational.

What is 15.1986841536 squared?

15.1986841536 squared is approximately 231. (15.1986841536)² ≈ 231

√231 = 15.1986841536. 231 is not a perfect square; the result is irrational.

Instant answer with step-by-step solution

√231 = 15.1986841536

√231 = 15.1986841536

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

We need to find √231 — a number that when multiplied by itself equals 231.
231 is not a perfect square. Its square root is irrational.
It falls between √225 = 15 and √256 = 16.
Using the formula √N = N^(1/2): √231 = 231^0.5 = 15.1986841536
Verification: 15.1986841536 × 15.1986841536 ≈ 231 ✓ (rounded to 10 significant figures)

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