| Decimal: | 18 |
| Hexedecimal: | 12 |
| Octal: | 22 |
| Binary: | 10010 |
| Absolute Value: | 18 |
| Type: | Positive, Even |
| Is Prime: | No |
| Prime Factorization: | 2, 3, 3 |
| Square Root: | sqrt(18) = 3sqrt(2) = 4.2426406871193 |
| Square: | 324 |
| ln(18): | 2.8903717578962 |
| e^18: | 65659969.137331 |
| log(18): | 1.2552725051033 |
| sin(18): | -0.75098724677168 |
| cos(18): | 0.66031670824408 |
| tan(18): | -1.1373137123377 |