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) |
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