9 in Words

Introduction

In English words, 9 is written as Nine. It is a single/one-digit number used to count or measure something as a quantity. Suppose there are ‘nine’ players in the team of kho-kho. Then the word ‘Nine’ represents the number of players in the team which means quantity. The number 9 can be expressed in English words as Nine.

1. How to Write 9 in Words?

The number 9 can be written as the following in the place value chart:

If we observe the table,

• the number in ten’s place = 0.

• the number in one’s place = 9.

The expanded form of number 9 is:

\begin{aligned}

&0 \times \text { Ten }+9\times \text { One }

\\&0 \times 10+9 \times 1

\\&=9

\\&=\text { Nine }

\end{aligned}

2. About 9 in Words.

• 9 is an odd number.

• 9 is a composite number since it contains 3 factors.

• 9 is a perfect square number.

• 9 is not a perfect cube number.

• 9 is not a prime number, because it has more than two factors.

3. Important Definitions.

• Odd numbers: odd numbers are those numbers which are not the multiples of 2.

• E.g: 1,3,5,7,9…

• Even numbers: even numbers are those numbers which are the multiples of 2.

• E.g: 0, 2, 4, 6, 8…

• Prime numbers: Prime numbers can be defined as the numbers that are divisible by two factors only ie, by themself and 1.

• E.g: 2, 3, 5, 7, 11…

• Composite number: All the natural numbers which are non-prime numbers are known as composite numbers. It has more than 2 factors. This means not only for 1 and itself but also has other factors too.

• E.g: 4, 6, 8, 9, 10, 12,...

4. Important Points.

• 9 is an odd Natural number which comes after 8 and is preceded by 10.

• 9 is the highest single-digit number.

• It is divisible by 1, 3, and 9 only.

• Decimal to Binary conversion of 9 is (9)10 = (1001)2

• The Square Root of 9 is 3.

• √9 = 3 ⇔ 9 = 32.

• The Cube Root of 9 is 2.08008382305.

You can find out the detailed other number in words article list below:-