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## Square Numbers

First Column represents Natural Number and Second column represents square numbers of respective Natural Numbers

Natural Numbers 4, 9, 16, 25 and 36 all are examples of square numbers. Also,** Square Numbers are known as Perfect Squares **

Properties of Square Numbers

Before you read this concept, you are adviced to read:

What are Natural Numbers ?

What are Exponents ?

When a Natural Number X can be expressed as Y^{2} (here Y is also a Natural Number), then the Natural Number X is referred to as ** Square Number **of Natural Number Y

** Example : 25 can be expressed as 5 ^{2} **

In this example:

25 is a Natural Number X

5 is a Natural Number Y

25 = Y

Therefore, 25 is referred to as square number of natural number 5

Or we can also say that:

When a natural number is multiplied by itself, the resultant number is known as square of the given natural number

e.g. 9 when multiplied by itself, we get:

9 X 9 = 81

Therefore, 81 is a square of 9

Study the following table

Natural Number | Square Number |
---|---|

2 | 4 |

3 | 9 |

4 | 16 |

5 | 25 |

6 | 36 |

First Column represents Natural Number and Second column represents square numbers of respective Natural Numbers

Natural Numbers 4, 9, 16, 25 and 36 all are examples of square numbers. Also,