Is 667 a perfect square?

No, 667 is not a perfect square. Its square root is irrational.

What is 25.8263431403 squared?

25.8263431403 squared is approximately 667. (25.8263431403)² ≈ 667

√667 = 25.8263431403. 667 is not a perfect square; the result is irrational.

Instant answer with step-by-step solution

√667 = 25.8263431403

√667 = 25.8263431403

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

We need to find √667 — a number that when multiplied by itself equals 667.
667 is not a perfect square. Its square root is irrational.
It falls between √625 = 25 and √676 = 26.
Using the formula √N = N^(1/2): √667 = 667^0.5 = 25.8263431403
Verification: 25.8263431403 × 25.8263431403 ≈ 667 ✓ (rounded to 10 significant figures)

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