natural numbers

factorial n and 100 factorial
Mathpedia

What is factorial n and how is it denoted? What is factorial of 100?

Lata Agarwal

Factorial n is the product of the first n natural numbers and denoted by n!. In mathematics, n factorial is, n! = n├Ч(nтИТ1)├Ч(nтИТ2)├Ч … ├Ч3├Ч2├Ч1 […]

definition of set theory
Set Theory

Set Theory : Introduction, Origin, Definition of Sets, Examples of Sets

Lata Agarwal

For example, the group of all states of India is a set, because this group is a well-defined collection of objects. […]