The square root of 438 calculated to 10 decimal places.
| Number | Square Root | Perfect Square? |
|---|---|---|
| 433 | 20.8086520467 | No |
| 434 | 20.8326666560 | No |
| 435 | 20.8566536146 | No |
| 436 | 20.8806130178 | No |
| 437 | 20.9045449604 | No |
| 438 | 20.9284495365 | No |
| 439 | 20.9523268398 | No |
| 440 | 20.9761769634 | No |
| 441 | 21 | Yes |
| 442 | 21.0237960416 | No |
| 443 | 21.0475651798 | No |
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