| Prime Factorization |
7 x 13 |
| Divisors |
1, 7, 13, 91 |
| Count of divisors |
4 |
| Sum of divisors |
112 |
| Previous integer |
90 |
| Next integer |
92 |
| Is prime? |
NO |
| Previous prime |
89 |
| Next prime |
97 |
| 91st prime number |
↻ calculating, please wait |
| Is a Fibonacci number? |
NO |
| 91st Fibonacci number |
4660046610375530309 |
| Zeckendorf representation |
89 + 2 |
| 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 |
| Factorial 91! |
1.3520015276784E+140 |
| Square 912 |
8281 |
| Square root √91 |
9.5393920141695 |
| Cube 913 |
753571 |
| Cubic root ∛91 |
4.4979414452754 |
| Natural logarithm |
4.5108595065168 |
| Decimal logarithm |
1.9590413923211 |