Number 9
Prime factorization
Basic properties
| Is prime? |
× NO
|
| Previous integer | 8 |
| Next integer | 10 |
| Previous prime number | 7 |
| Next prime number | 13 |
| Reciprocal | 0.111111111111111 |
| Square | 81 |
| Square root | 3 |
| Natural logarithm | 2.1972245773362196 |
| Decimal logarithm | 0.954242509439325 |
| Sine | 0.4121184852417566 |
| Cosine | -0.9111302618846769 |
| Tangent | -0.45231565944180985 |
Expressions
| Binary | 1001 |
| Octal | 11 |
| Hexadecimal | 9 |