Square root of 7
| Rationality | Irrational |
|---|---|
| Representations | |
| Decimal | 2.645751311064590590... |
| Algebraic form | |
| Continued fraction | [2;1,1,1,4,1,1,1,4...] |
The square root of 7 is the positive real number that, when multiplied by itself, gives the prime number 7.
It is an irrational algebraic number. The first sixty significant digits of its decimal expansion are:
- 2.64575131106459059050161575363926042571025918308245018036833....
More than a million decimal digits of the square root of seven have been published.