Eighteen in Urdu Counting is called اٹھارہ (aṭṭhārah).
اٹھارہ (aṭṭhārah) ۱۸
| Number | 18 |
| Binary Palindrome | No (10010 is not the same forwards and backwards) |
| Binary Representation | 10010 |
| Cube | 18 * 18 * 18 = 5832 |
| Decimal Equivalent of 12 in Hex | 18 |
| Divisibility Rules | 18 is divisible by 1, 2, 3, 6, 9, and 18 |
| Divisors | 1, 2, 3, 6, 9, 18 |
| Factors | 1, 2, 3, 6, 9, 18 |
| Hexadecimal Representation | 12 |
| Mathematical Significance | 18 is a composite number, the sum of the first three triangular numbers (1 + 3 + 6 = 18) |
| Ordinal | Eighteenth |
| Palindromic | No (not read the same forwards and backwards) |
| Prime Factorization | 2 * 3^2 |
| Product of Digits | 1 * 8 = 8 |
| Roman Numeral | XVIII |
| Square | 18 * 18 = 324 |
| Sum of Digits | 1 + 8 = 9 |
| Symmetrical | No (rotational symmetry of 180 degrees) |
- Eleven in Urdu Counting
- Twelve in Urdu Counting
- Twelve in Urdu Counting
- Thirteen in Urdu Counting
- Fourteen in Urdu Counting
- Fifteen in Urdu Counting
- Sixteen in Urdu Counting
- 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