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 |