√429 = 20.7123151772. 429 is not a perfect square; the result is irrational.

Is 429 a perfect square?

No, 429 is not a perfect square. Its square root is irrational.

What is 20.7123151772 squared?

20.7123151772 squared is approximately 429. (20.7123151772)² ≈ 429

Instant answer with step-by-step solution

√429 = 20.7123151772

√429 = 20.7123151772

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

We need to find √429 — a number that when multiplied by itself equals 429.
429 is not a perfect square. Its square root is irrational.
It falls between √400 = 20 and √441 = 21.
Using the formula √N = N^(1/2): √429 = 429^0.5 = 20.7123151772
Verification: 20.7123151772 × 20.7123151772 ≈ 429 ✓ (rounded to 10 significant figures)

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