Number 257
Prime factorization
| Factorization |
257
|
| Divisors |
1,
257
|
| Count of divisors |
2 |
| Sum of divisors |
258 |
Basic properties
| Is prime? |
◎ YES
It's 55th prime number.
|
| Previous integer |
256 |
| Next integer |
258 |
| Previous prime number |
251 |
| Next prime number |
263 |
| Reciprocal |
0.003891050583657 |
| Square |
66049 |
| Square root |
16.0312195418814 |
| Natural logarithm |
5.54907608489522 |
| Decimal logarithm |
2.4099331233312946 |
| Sine |
-0.5733571748155426 |
| Cosine |
0.8193055291449822 |
| Tangent |
-0.699808745845877 |
Expressions
| Binary |
100000001 |
| Octal |
401 |
| Hexadecimal |
101 |