The square root of 820 calculated to 10 decimal places.
| Number | Square Root | Perfect Square? |
|---|---|---|
| 815 | 28.5482048472 | No |
| 816 | 28.5657137142 | No |
| 817 | 28.5832118559 | No |
| 818 | 28.6006992922 | No |
| 819 | 28.6181760425 | No |
| 820 | 28.6356421266 | No |
| 821 | 28.6530975638 | No |
| 822 | 28.6705423737 | No |
| 823 | 28.6879765756 | No |
| 824 | 28.7054001888 | No |
| 825 | 28.7228132327 | No |
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