Factorial of 13 (13!)
RESULT: 6,227,020,800
The factorial of 13, written as 13!, is the product of all positive integers less than or equal to 13.
What Is the Formula to Calculate 13 Factorial?
The formula for calculating 13 factorial (13!) is:
13! = 13 × 12 × 11 × 10 × 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1 = 6,227,020,800
How Many Digits in 13 Factorial?
The number 13! has 10 digits.
Factorial Table From 1! to 13!
| n | n! |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 6 |
| 4 | 24 |
| 5 | 120 |
| 6 | 720 |
| 7 | 5,040 |
| 8 | 40,320 |
| 9 | 362,880 |
| 10 | 3,628,800 |
Frequently Asked Questions
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What is 13!?
It's the product of all positive integers from 1 to 13. Answer: 6,227,020,800.
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Is factorial defined for negative numbers?
No. Factorials are only defined for non-negative integers (0 and up).
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What is 0!?
By definition, the factorial of 0 is 1.