| Prime Factorization |
7 x 283 |
| Divisors |
1, 7, 283, 1981 |
| Count of divisors |
4 |
| Sum of divisors |
2272 |
| Previous integer |
1980 |
| Next integer |
1982 |
| Is prime? |
NO |
| Previous prime |
1979 |
| Next prime |
1987 |
| 1981st prime number |
↻ calculating, please wait |
| Is a Fibonacci number? |
NO |
| Zeckendorf representation |
1597 + 377 + 5 + 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 |
| Square 19812 |
3924361 |
| Square root √1981 |
44.508426168536 |
| Cube 19813 |
7774159141 |
| Cubic root ∛1981 |
12.559185985894 |
| Natural logarithm |
7.5913570466986 |
| Decimal logarithm |
3.2968844755385 |