| Number |
13 |
| Binary Palindrome |
No (1101 is not the same forwards and backwards) |
| Binary Representation |
1101 |
| Cube |
13 * 13 * 13 = 2197 |
| Cultural Significance |
Some cultures associate 13 with bad luck or superstitions |
| Decimal Equivalent of D in Hex |
13 |
| Divisibility Rules |
13 is divisible by 1 and 13 |
| Divisors |
1, 13 |
| Factors |
1, 13 |
| Hexadecimal Representation |
D |
| Ordinal |
Thirteenth |
| Palindromic |
No (not read the same forwards and backwards) |
| Prime Factorization |
13 (itself is a prime number) |
| Product of Digits |
1 * 3 = 3 |
| Roman Numeral |
XIII |
| Square |
13 * 13 = 169 |
| Sum of Digits |
1 + 3 = 4 |
| Superstitions |
Often considered unlucky in Western cultures |
| Symmetrical |
No (rotational symmetry of 180 degrees) |
