adjective
Definition: This term describes something that is connected to a factor or the mathematical operation of multiplying a series of descending natural numbers.
Example: In mathematics, the factorial of a number is used to calculate permutations and combinations.
noun
Definition: The result of multiplying all whole numbers from 1 up to a specific number, often represented with an exclamation mark (e.g., 4! equals 24).
Example: To calculate 5 factorial, you multiply 1, 2, 3, 4, and 5 together, which equals 120.