You write 21 in words as twenty-one. The Hindi spelling is इक्कीस, read as "ikkees". For a cheque or a form, use Rupees Twenty One Only.
21 in words in English
| Words (Indian system) | twenty-one |
|---|---|
| Words (international system) | twenty-one |
| Title case | Twenty One |
| Cheque format | Rupees Twenty One Only |
| Hindi | इक्कीस |
| Hindi in English letters | ikkees |
| Digits (Indian commas) | 21 |
| Digits (international commas) | 21 |
21 in Hindi
In Hindi, 21 is written इक्कीस. In English letters it reads ikkees. Hindi follows the same lakh and crore grouping as Indian English. For all Hindi numbers from one to a hundred, see the Hindi ginti chart.
21 rupees in words for a cheque
On a cheque, write the amount in words as Rupees Twenty One Only. Start close to the left edge, end with "Only" so nothing can be added, and draw a line through any empty space. In the box for figures, write 21/-. More tips are in how to write an amount on a cheque.
Facts about the number 21
| Even or odd | Odd |
|---|---|
| Prime factors | 3 × 7 |
| Roman numeral | XXI |
| Ordinal | 21st (twenty-first) |
| Sum of digits | 3 |
| Number of digits | 2 |
Nearby numbers in words
Questions people ask
How do you write 21 in words?
21 is written as twenty-one. In title case, for example on a form, write Twenty One.
How do you write 21 in Hindi?
21 in Hindi is इक्कीस. In English letters it is ikkees.
How do I write 21 rupees on a cheque?
Write Rupees Twenty One Only in the words line and 21/- in the figures box. Ending with "Only" stops anyone from adding to the amount.
Is 21 a prime number?
No. 21 can be divided by 3, so it is a composite number.