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Edited By Team Careers360 | Updated on Feb 14, 2023 10:27 AM IST

99 is a mathematical number written as Ninety-nine. A Cardinal number is any number which defines a quantity. We can use 99 or Ninety-nine as a cardinal number by representing it as the price of any product. Like if we say the price of the copy is INR 99. Here is signifies we can purchase the copy by spending 99 rupees.

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99 in words (International Number System): Ninety-nine 99 in words (Indian Number System): Ninety-nine Ninety-nine in Numerical Form: 99 |

The place value is defined as the numerical value of any digit in a number, which is represented by the position of the digit in the number.

We can express 99 on the place value chart as follows:

Ten | One |

90 | 9 |

We can write 99 as

\begin{aligned}

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

&=9 \times 10+9 \times 1 \\

&=90+9 \\

&=99 \\

&=\text { Ninety-nine }

\end{aligned}

99 is a Natural number which is succeeded by 100 and preceded by 98.

99 is an odd Number as it is not divisible by 2.

A number which is not divisible by 2 and gives 1 as the remainder when the number is divided by 2 is known as an odd number.

99 is also a composite number because it has more than 2 factors which mean it is also divisible by numbers other than 1 and itself.

A number which is also divisible by a number other than 1, and the number itself is known as a composite number.

99 is not a perfect cube number.

99 isn't a prime number.

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

1. How do you write 99 in Words?

From the Place Value chart, we can see that the value of each digit in 99 and we can convert the numerals to words. In words, We can write it as “Ninety-Nine”.

2. What is the prime factorisation of 99?

The prime factorisation of 99 is

\begin{equation}

3 \times 3 \times 11

\end{equation}

3. Is 99 a perfect square number?

No, 99 is not a perfect square number.

4. How do we know 99 is an odd number?

To find an odd number, we must check the one’s place. If the number has 1,3,5,7, or 9 in the one’s place, then the number is known as an odd number. In the case of 99, there is 9 in one’s place, so the number is odd.

5. Why 99 is a cardinal number?

Any number defining a quantity will be termed a cardinal number. For example, if the price of a dress is INR 99, then 99 is the cardinal number of the dress.

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