| Prime Factorization |
25 x 53 |
| Divisors |
1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000 |
| Count of divisors |
24 |
| Sum of divisors |
9828 |
| Previous integer |
3999 |
| Next integer |
4001 |
| Is prime? |
NO |
| Previous prime |
3989 |
| Next prime |
4001 |
| 4000th prime number |
↻ calculating, please wait |
| Is a Fibonacci number? |
NO |
| Zeckendorf representation |
2584 + 987 + 377 + 34 + 13 + 5 |
| Is a Pell number? |
NO |
| Is a regular number? |
YES |
| 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 40002 |
16000000 |
| Square root √4000 |
63.245553203368 |
| Cube 40003 |
64000000000 |
| Cubic root ∛4000 |
15.874010519682 |
| Natural logarithm |
8.294049640102 |
| Decimal logarithm |
3.602059991328 |