21 in Words

21 in words can be written as Twenty-one. With the help of the article 21 in words, students will get a firm knowledge of the fundamentals of counting. For example, if you buy 1 kg tomato for Rs. 21, then you can say that “I bought 1 kg tomato for Twenty-one Rupees”. Using this article, you will get to know how to convert 21 into words. You can write numbers in words using the English alphabet. You can read 21 as “Twenty-one” in English.

21 in words

Twenty-one

Twenty-one in Numbers

21

21 in English Words

21 in words

How to Write 21 in Words?

The topic of writing 21 in words using the place value chart can be learnt in this section. The detailed explanation given here helps students get a good hold on the basic concepts of counting numbers. 21 is a two digit number and the place value chart for the number is provided in a table form here. 

Tens

Ones

2

1

21 in expanded form is discussed here:

2 × Ten + 1 × One

= 2 × 10 + 1 × 1 

= 20 + 1

= 21

= Twenty-one

Therefore, 21 in words is written as Twenty-one.

Also, read: place value

About the Number 21

21 is a natural number that precedes 22 and succeeds 20.

21 in words – Twenty-one  

Is 21 an odd number? – Yes

Is 21 an even number? – No

Is 21 a perfect square number? – No

Is 21 a perfect cube number? – No

Is 21 a prime number? – No

Is 21 a composite number? – Yes

Related Articles

Frequently Asked Questions on 21 in Words

How can the number 21 be written in words?

21 can be written in words as “Twenty-one”.

How to write 21 on a cheque?

21 can be written on a cheque as Twenty-one rupees only.

Is 21 an odd number?

21 is an odd number as it cannot be divided by 2.

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