Factorial of n
Calculate n! for non-negative integers up to 18 while staying within exact safe integer range.
Table of Contents
9 Integer n =
362,880 Factorial Value
Representative value from the Factorial of n reference table.
Reference Values
Browse 19 reference values with individual detail pages for quick lookup.
Factorial of n
Calculate n! for non-negative integers up to 18 while staying within exact safe integer range.
Calculated Result
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Reference Table
Use this complete table for quick lookup and internal linking to specific value pages.
| n | n! |
|---|---|
| 0 Integer n | 1 Factorial Value |
| 1 Integer n | 1 Factorial Value |
| 2 Integer n | 2 Factorial Value |
| 3 Integer n | 6 Factorial Value |
| 4 Integer n | 24 Factorial Value |
| 5 Integer n | 120 Factorial Value |
| 6 Integer n | 720 Factorial Value |
| 7 Integer n | 5,040 Factorial Value |
| 8 Integer n | 40,320 Factorial Value |
| 9 Integer n | 362,880 Factorial Value |
| 10 Integer n | 3,628,800 Factorial Value |
| 11 Integer n | 39,916,800 Factorial Value |
| 12 Integer n | 479,001,600 Factorial Value |
| 13 Integer n | 6,227,020,800 Factorial Value |
| 14 Integer n | 87,178,291,200 Factorial Value |
| 15 Integer n | 1,307,674,368,000 Factorial Value |
| 16 Integer n | 20,922,789,888,000 Factorial Value |
| 17 Integer n | 355,687,428,096,000 Factorial Value |
| 18 Integer n | 6,402,373,705,728,000 Factorial Value |
Frequently Asked Questions
Common questions about Factorial of n, formulas, and typical use cases.
What does the Factorial of n calculator do?
It helps with counting permutations and evaluating combinatorics formulas.
What formula does the Factorial of n calculator use?
n! is the product of all positive integers from 1 through n, with 0! = 1.
What inputs are valid?
n must be an integer from 0 to 18 for exact results within JavaScript safe integer range.
When would I use this?
counting permutations and evaluating combinatorics formulas
Methodology and Review
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