The square root of 491 calculated to 10 decimal places.
| Number | Square Root | Perfect Square? |
|---|---|---|
| 486 | 22.0454076850 | No |
| 487 | 22.0680764907 | No |
| 488 | 22.0907220344 | No |
| 489 | 22.1133443875 | No |
| 490 | 22.1359436212 | No |
| 491 | 22.1585198062 | No |
| 492 | 22.1810730128 | No |
| 493 | 22.2036033112 | No |
| 494 | 22.2261107709 | No |
| 495 | 22.2485954613 | No |
| 496 | 22.2710574513 | No |
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