Twenty one in Urdu Counting is called اکیس Ikkees .
Ikkees اکیس ۲۱
| Name | Twenty-One |
| 21-gun Salute | Traditional military honor or national celebration |
| Age of Majority | In some countries, the legal age for adulthood |
| Atomic Number | 21 (Scandium – a chemical element) |
| Binary Representation | 10101 |
| Cardinal Number | 21 |
| Cube | 9261 (21^3) |
| Divisors | 1, 3, 7, 21 |
| Drinking Age | In some countries, the legal age for alcohol |
| Hexadecimal Representation | 15 |
| In Roman Numerals (subtractive notation) | XX (20) + I (1) |
| Minimum Age to Run for U.S. House of Representatives | 21 years old |
| Number of Pilots Required for Certain Aircraft | 21 years old |
| Number of Players in Blackjack | A popular card game |
| Number of Tarot Trumps | In the Major Arcana of Tarot cards |
| Ordinal Number | Twenty-First |
| Prime Factorization | 3 x 7 |
| Roman Numeral | XXI |
| Significant Birthday | “Coming of Age” celebration in some cultures |
| Square | 441 (21^2) |
| Sum of Digits (Digital Root) | 2+1 = 3 |
| The Drinking Age in Many Countries | 21 years old |
| U.S. Legal Drinking Age | 21 years old |
- Eleven in Urdu Counting
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- Twelve in Urdu Counting
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- Fourteen in Urdu Counting
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- Seventeen in Urdu Counting
- Eighteen in Urdu Counting
- Nineteen in Urdu Counting
- Twenty in Urdu Counting
- Twenty one in Urdu Counting
- Twenty Two in Urdu Counting
- Twenty Three in Urdu Counting