Learn Factorial Number
What do you mean by Factorial Number?
What is Factorial Number?
The factorial of non-negative integer n is denoted by n! and calculated by the product of integer numbers from 1 to n.
Factorial Example
6! = 6x5x4x3x2x1 = 720
The value of 0! is by convention equal to 1.
Factorials of non-integer values
It is possible to determine the factorial of non-integer numbers.
Example
(-0.5)! = Π and (0.5)! = 0.5Π
(2.5)! = 2.5 x (1.5)! = 2.5 x 1.5 x (0.5)! = 1.875Π
Related Number Types
- Integer
- Whole Number
- Digit
- Natural Number
- Odd Number
- Even Number
- Rational Number
- Irrational Number
- Transcendental Number
- Real Number
- Nominal Number
- Ordinal Number
- Arrangement Number
- Abundant Number
- Algebraic Number
- Automorphic Number
- Apocalypsec Number
- Amicable Number
- Aliquot Number
- Almost Perfect Number
- Alphametic Number
- Binary Number
- Catalan Number
- Circular Primes Number
- Complex Number
- Cyclic Number
- Cubic Number
- Congruent Number
- Cardinal Number
- Choice Number
- Composite Number
- Counting Number
- Fibonacci Number
- Fraction