The square root of 261 calculated to 10 decimal places.
| Number | Square Root | Perfect Square? |
|---|---|---|
| 256 | 16 | Yes |
| 257 | 16.0312195419 | No |
| 258 | 16.0623784042 | No |
| 259 | 16.0934769394 | No |
| 260 | 16.1245154966 | No |
| 261 | 16.1554944214 | No |
| 262 | 16.1864140562 | No |
| 263 | 16.2172747402 | No |
| 264 | 16.2480768093 | No |
| 265 | 16.2788205961 | No |
| 266 | 16.3095064303 | No |
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