Compare 18009 vs 18013
| Property | 18009 | 18013 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 33 × 231 × 291 | 180131 |
| Prime factorization | 3 × 3 × 3 × 23 × 29 | 18013 |
| Divisors count | 16 | 2 |
| Divisors | 1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 621, 667, 783, 2001, 6003, 18009 | 1, 18013 |
| Number of properties | 0 | 5 |
| Additive primes | 972nd | |
| Emirps | 556th | |
| Isolated primes | 1436th | |
| Primes | 2065th | |
| Pythagorean primes | 1018th | |
| Roman numberals | ||
| Base 2 | 1000110010110012 | 1000110010111012 |
| Base 3 | 2202010003 | 2202010113 |
| Base 4 | 101211214 | 101211314 |
| Base 5 | 10340145 | 10340235 |
| Base 6 | 2152136 | 2152216 |
| Base 7 | 1033357 | 1033427 |
| Base 8 | 431318 | 431358 |
| Base 9 | 266309 | 266349 |
| Base 10 | 1800910 | 1801310 |
| Base 11 | 1259211 | 1259611 |
| Base 12 | a50912 | a51112 |
| Base 13 | 827413 | 827813 |
| Base 14 | 67c514 | 67c914 |
| Base 15 | 550915 | 550d15 |
| Base 16 | 465916 | 465d16 |