| Prime Factorization |
13 x 307 |
| Divisors |
1, 13, 307, 3991 |
| Count of divisors |
4 |
| Sum of divisors |
4312 |
| Previous integer |
3990 |
| Next integer |
3992 |
| Is prime? |
NO |
| Previous prime |
3989 |
| Next prime |
4001 |
| 3991st prime number |
↻ calculating, please wait |
| Is a Fibonacci number? |
NO |
| Zeckendorf representation |
2584 + 987 + 377 + 34 + 8 + 1 |
| Is a Pell number? |
NO |
| Is a regular number? |
NO |
| Is a perfect number? |
NO |
| Is a perfect square number? |
NO |
| Is a perfect cube number? |
NO |
| Is power of 2? |
NO |
| Is power of 3? |
NO |
| Square 39912 |
15928081 |
| Square root √3991 |
63.174361888348 |
| Cube 39913 |
63568971271 |
| Cubic root ∛3991 |
15.862096071483 |
| Natural logarithm |
8.2917971050487 |
| Decimal logarithm |
3.601081727784 |