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**Natural Numbers **are commonly known as counting numbers. All the numbers starting from 1 to infinity are known as natural numbers. In other words, natural numbers are all the positive integers from 1 to infinity.

Natural Numbers are part of **Real Numbers** that include only the positive integers, i.e., 1, 2, 3, 4, etc., excluding zero, fractions, decimals and negative numbers. This article will know more about natural number definition, examples, properties, and more.

Natural Numbers are positive integers and include numbers from 1 till infinity(∞). These are the numbers which we usually count in our day-to day-life. Natural numbers will not include fractions, decimals, negative numbers and zero. The set of Natural Numbers is represented by the letter ‘**N**‘.

**N** = {1,2,3,4,5,6,7,8,9,10…….}

Students may have questions like, Is Every Natural Number a Whole Number?, Is zero a Whole Number, etc and to understand this we need to know the difference between Natural Numbers and Whole Numbers.

Natural Numbers are numbers starting from 1 to infinity. Whereas, Whole Numbers start from 0 and go till infinity.

Natural Numbers = {1,2,3,4,5,………}

Whole Numbers = {0,1,2,3,4,……..}

Therefore, every natural number is a Whole number but every whole number is not a natural number. Because Zero is a whole number and not a natural number.

*Check the difference between Whole Numbers & Natural Numbers from below:*

Natural Numbers | Whole Numbers |

The natural numbers is N={1,2,3,…} | The whole numbers is W={0,1,2,3,…} |

The smallest natural number is 1 | The smallest whole number is 0 |

All Natural Numbers are Whole Numbers. | Each whole number is a natural number, except zero. |

The natural numbers can be represented on the number line as follow:

The set of natural numbers will be from 1 to infinity. Check the representation from below:

**Statement:**

N = Set of all numbers starting from 1.

Where N stands for the set of natural numbers.

In Roster Form it is represented as:

N = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, …………………}

In Set Builder Form it is represented as:

N = {x : x is an integer starting from 1}

**Practice 11th CBSE Exam Questions**

The operations of addition, subtraction, multiplication and division, on natural numbers, lead to four main properties of natural numbers such as:

- Closure Property
- Associative Property
- Commutative Property
- Distributive Property

The addition and multiplication of two or more natural numbers will always yield a natural number. However, in the case of subtraction and division, natural numbers do not obey the closure property. This means that subtracting or dividing two natural numbers might not yield a natural number.

- – Closure Property of Addition: a+b=c this implies, 1+2 = 3 or 10+5 = 15. This shows that the addition of two natural numbers is always a natural number.
- – Closure Property of Multiplication: a×b=c this implies, 3×2 = 6 or 10x 4 = 40. This shows that, the product of natural numbers is always a natural number.

The associative property is true in the case of the addition and multiplication of natural numbers. That is the sum or product of any three natural numbers remains the same even if the grouping of numbers is changed. On the other hand, the associative property does not hold good for subtraction and division of natural numbers.

- – For Addition: a + ( b + c ) = ( a + b ) + c => 2+ (3+ 5) = (2+3) + 5 = 10
- – For Multiplication: a × ( b × c ) = ( a × b ) × c => 2x(3×4) = (2×3)x4 = 24
- – For Subtraction: a – ( b – c ) ≠ ( a – b ) – c => 3 – (5 – 1) = – 1 and ( 3 – 5 ) – 1 = – 3.
- – For Division:

**Attempt 11th CBSE Exam Mock Tests**

In the case of commutative property, the addition and multiplication of natural numbers show the commutative property. Whereas, subtraction and division of natural numbers do not show the commutative property.

- For Addition and Multiplication: x + y = y + x and a × b = b × a
- For Subtraction and Division: x – y ≠ y – x and x ÷ y ≠ y ÷ x

In the case of distributive property, the Multiplication of natural numbers is always distributive over addition. Also, the Multiplication of natural numbers is also distributive over subtraction.

- Distributive property of multiplication over addition: a × (b + c) = ab + ac
- Distributive property of multiplication over subtraction: a × (b – c) = ab – ac

Let’s have an overview of the operations and properties of natural numbers from below:

Operation | Closure Property | Associative Property | Commutative Property |

Addition | yes | yes | yes |

Subtraction | no | no | no |

Multiplication | yes | yes | yes |

Division | no | no | no |

Let’s go through some solved examples on natural numbers from below:

**Question 01:** Sort the natural numbers from the following list: 13, 12, 0.5, 2/3, 55, 1003, 10745, -56, -20*Solution: *From the above-given numbers, the following are natural numbers: 13, 12, 55, 1003 and 10745.

**Question 02:** What are the first 10 natural numbers?*Solutions*: The first 10 natural numbers are 1, 2, 3, 4, 5, 6, 7, 8, 9, 10.

**Question 03:** Is Zero a natural number?*Solution:* No, Zero is not a natural number.

Make use of the following free study materials of Embibe which will definitely help you in your exams:

NCERT Solutions | NCERT Books |

Class 8 Mock Test Series | Class 8 Practice Questions |

Class 9 Mock Test Series | Class 9 Practice Questions |

Class 10 Mock Test Series | Class 10 Practice Questions |

JEE Main Mock Tests (Class 11-12 PCM) | JEE Main Practice Questions (Class 11-12 PCM) |

NEET Mock Tests (Class 11-12 PCB) | NEET Practice Questions (Class 11-12 PCB) |

Check the frequently asked questions from below:

Q. What are natural numbers?A. Natural Numbers are a part of the number system which includes all the positive integers from 1 till infinity. |

Q. Is the number 0 a natural number?A. Zero is not a natural number. |

Q. Is every Natural Number is a Whole Number?A. Yes, every natural number is a whole number. |

Q. What are the first 3 natural numbers?A. The first three natural numbers are 1, 2 and 3. |

Q. Is 3.7 a natural number?A. No, the number 3.7 is not a natural number. |

Q. Which is the smallest natural number?A. The smallest natural number is 1. |

Q. Can natural numbers be negative?A. Natural Numbers are not nagative numbers. |

*We hope this article has helped you. If you have any questions, feel free to post your comment below. We will get back to you at the earliest.*