Number System – Mathematics for SSC examination
This post represents theories, examples, and formulae related to the Number System that are useful for examinations like SSC. This page containing Number System notes is kind of a ready reckoner page for students and candidates preparing for Mathematics for the SSC examination or other competitive examinations.
Types of Numbers
Types of numbers discussed: Natural, Whole, Integers, Rational, Irrational, Real and Complex(Imaginary) numbers

Types of Natural Numbers
Various Types of Natural Numbers:


Prime Number
Prime number

Tests of divisibility
Divisibility of a number



Some important theorems


Some formula

Congruence of numbers
