Compare 18009 vs 18021
| Property | 18009 | 18021 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 33 × 231 × 291 | 31 × 60071 |
| Prime factorization | 3 × 3 × 3 × 23 × 29 | 3 × 6007 |
| Divisors count | 16 | 4 |
| Divisors | 1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 621, 667, 783, 2001, 6003, 18009 | 1, 3, 6007, 18021 |
| Number of properties | 0 | 1 |
| Semiprimes | 4595th | |
| Roman numberals | ||
| Base 2 | 1000110010110012 | 1000110011001012 |
| Base 3 | 2202010003 | 2202011103 |
| Base 4 | 101211214 | 101212114 |
| Base 5 | 10340145 | 10340415 |
| Base 6 | 2152136 | 2152336 |
| Base 7 | 1033357 | 1033537 |
| Base 8 | 431318 | 431458 |
| Base 9 | 266309 | 266439 |
| Base 10 | 1800910 | 1802110 |
| Base 11 | 1259211 | 125a311 |
| Base 12 | a50912 | a51912 |
| Base 13 | 827413 | 828313 |
| Base 14 | 67c514 | 67d314 |
| Base 15 | 550915 | 551615 |
| Base 16 | 465916 | 466516 |