Number 129
Prime factorization
| Factorization |
3 *
43
|
| Divisors |
1,
3,
43,
129
|
| Count of divisors |
4 |
| Sum of divisors |
176 |
Basic properties
| Is prime? |
× NO
|
| Previous integer |
128 |
| Next integer |
130 |
| Previous prime number |
127 |
| Next prime number |
131 |
| Reciprocal |
0.007751937984496 |
| Square |
16641 |
| Square root |
11.357816691600547 |
| Natural logarithm |
4.859812404361672 |
| Decimal logarithm |
2.110589710299249 |
| Sine |
-0.19347339203846847 |
| Cosine |
-0.9811055226493881 |
| Tangent |
0.19719937108906568 |
Expressions
| Binary |
10000001 |
| Octal |
201 |
| Hexadecimal |
81 |