Factorial Calculator
High-precision factorial for big numbers, no precision loss, supports arbitrarily large factorials.
Factorial Calculation
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Common Factorials
| n | n! | Digits |
|---|---|---|
| 0 | 1 | 1 |
| 1 | 1 | 1 |
| 2 | 2 | 1 |
| 3 | 6 | 1 |
| 4 | 24 | 2 |
| 5 | 120 | 3 |
| 6 | 720 | 3 |
| 7 | 5040 | 4 |
| 8 | 40320 | 5 |
| 9 | 362880 | 6 |
| 10 | 3628800 | 7 |
| 11 | 39916800 | 8 |
| 12 | 479001600 | 9 |
| 13 | 6227020800 | 10 |
| 14 | 87178291200 | 11 |
| 15 | 1307674368000 | 13 |
| 16 | 20922789888000 | 14 |
| 17 | 355687428096000 | 15 |
| 18 | 6402373705728000 | 16 |
| 19 | 121645100408832000 | 18 |
| 20 | 2432902008176640000 | 19 |
Features
The factorial calculator implements high-precision big number factorial computation, breaking through JavaScript's native numeric precision limits.
- High Precision: No precision loss
- Big Number Support: Supports factorials of any size
- Detailed Info: Shows digit count, scientific notation, trailing zeros, etc.
- Export: Copy and download results
Usage Instructions
Features
High-precision big number factorial calculator with no precision loss, breaking through JavaScript's native numeric precision limits, supporting arbitrarily large factorials.
Steps
Enter a non-negative integer n → Click "Calculate" → View the exact value of n!, digit count, scientific notation, and trailing zeros; results can be copied or downloaded.
Notes
No precision loss; n greater than 10000 may cause browser lag; the common factorials table below provides quick reference for 0-20 factorial values.