# Number System

## Start a discussion on this chapter

## Doubts and Discussions on this chapter

MANOGNA started a discussion - how many times does the digit... - Participate

Niveditha.... started a discussion - Find the remainder when 2 t... - Participate

Vaishnavi started a discussion - i am finding number system tou... - Participate

Charisma started a discussion - What is AM, GM,HM - Participate

Shubham Pa... started a discussion - 11 - Participate

Niveditha.... started a discussion - Find the remainder when 2 t... - Participate

Vaishnavi started a discussion - i am finding number system tou... - Participate

Charisma started a discussion - What is AM, GM,HM - Participate

Shubham Pa... started a discussion - 11 - Participate

## Important Concepts in Number System

Find notes, videos, important points and questions to practice on each of these concepts.

- Divisibility Tests
- Properties of Numbers
- Digit Arithmetic
- HCF and LCM

## My Chapter Prep Status

## Chapter Expert Trophy

Arathi nair M

How can you win?

You need to score more than 496 marks to beat Arathi nair M

manyata , kaku, Abhinav Verma

How can you win?

You need to score more than 496 marks to beat Arathi nair M

**Others In The Race!**manyata , kaku, Abhinav Verma

## Important Points

Ten is called the base of our number system

Set of Integers

Z = {......-4, -3, -2, -1, 0, 1, 2, 3, 4 .......}

Positive integers 1, 2, 3, 4, ... are called

All natural numbers together with zero are

Set of natural numbers is a subset of set of whole numbers, 0 being the exception

Set of Integers

Z = {......-4, -3, -2, -1, 0, 1, 2, 3, 4 .......}

Positive integers 1, 2, 3, 4, ... are called

**natural numbers**. Smallest natural number is 1 and there is no largest natural number. The set of natural numbers N is infinite.All natural numbers together with zero are

**whole numbers**. 0 is the smallest whole number. The set of whole numbers W is infinite.Set of natural numbers is a subset of set of whole numbers, 0 being the exception