Homefactorial calculator
Factorial Calculator
Calculate factorials (n!), permutations (nPr), and combinations (nCr).
n! = 10!
3628800
nPr (permutations)
720
10P3 (ordered)
nCr (combinations)
120
10C3 (unordered)
Factorial table
| n | n! |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 6 |
| 4 | 24 |
| 5 | 120 |
| 6 | 720 |
| 7 | 5040 |
| 8 | 40320 |
| 9 | 362880 |
| 10 | 3628800 |
| 12 | 479001600 |
| 15 | 1307674368000 |
| 20 | 2432902008176640000 |