Compare 289 vs 290
| Property | 289 | 290 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 172 | 21 × 51 × 291 |
| Prime factorization | 17 × 17 | 2 × 5 × 29 |
| Divisors count | 3 | 8 |
| Divisors | 1, 17, 289 | 1, 2, 5, 10, 29, 58, 145, 290 |
| Number of properties | 1 | 0 |
| Semiprimes | 90th | |
| Roman numberals | CCLXXXIX | CCXC |
| Base 2 | 1001000012 | 1001000102 |
| Base 3 | 1012013 | 1012023 |
| Base 4 | 102014 | 102024 |
| Base 5 | 21245 | 21305 |
| Base 6 | 12016 | 12026 |
| Base 7 | 5627 | 5637 |
| Base 8 | 4418 | 4428 |
| Base 9 | 3519 | 3529 |
| Base 10 | 28910 | 29010 |
| Base 11 | 24311 | 24411 |
| Base 12 | 20112 | 20212 |
| Base 13 | 19313 | 19413 |
| Base 14 | 16914 | 16a14 |
| Base 15 | 14415 | 14515 |
| Base 16 | 12116 | 12216 |