Compare 289 vs 305
| Property | 289 | 305 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 172 | 51 × 611 |
| Prime factorization | 17 × 17 | 5 × 61 |
| Divisors count | 3 | 4 |
| Divisors | 1, 17, 289 | 1, 5, 61, 305 |
| Number of properties | 1 | 1 |
| Semiprimes | 90th | 98th |
| Roman numberals | CCLXXXIX | CCCV |
| Base 2 | 1001000012 | 1001100012 |
| Base 3 | 1012013 | 1020223 |
| Base 4 | 102014 | 103014 |
| Base 5 | 21245 | 22105 |
| Base 6 | 12016 | 12256 |
| Base 7 | 5627 | 6147 |
| Base 8 | 4418 | 4618 |
| Base 9 | 3519 | 3689 |
| Base 10 | 28910 | 30510 |
| Base 11 | 24311 | 25811 |
| Base 12 | 20112 | 21512 |
| Base 13 | 19313 | 1a613 |
| Base 14 | 16914 | 17b14 |
| Base 15 | 14415 | 15515 |
| Base 16 | 12116 | 13116 |