Factorial of n Reference Values
Calculate n! for non-negative integers up to 18 while staying within exact safe integer range.
Table of Contents
Reference Value Index
This page lists 19 reference values for quick browsing and lookup.
All Reference Values
- 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
Reference Table
| 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
Frequently asked questions for Factorial of n and its reference values.
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
Each row on this page links to a value detail page derived from the same conversion data file as the main calculator and reference table. This reduces inconsistencies across page variants.
Editorial metadata and structured data are rendered across the converter page and linked value pages. Review policies are documented in our review process and editorial policy.