Compare 289 vs 321
| Property | 289 | 321 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 172 | 31 × 1071 |
| Prime factorization | 17 × 17 | 3 × 107 |
| Divisors count | 3 | 4 |
| Divisors | 1, 17, 289 | 1, 3, 107, 321 |
| Number of properties | 1 | 1 |
| Semiprimes | 90th | 102nd |
| Roman numberals | CCLXXXIX | CCCXXI |
| Base 2 | 1001000012 | 1010000012 |
| Base 3 | 1012013 | 1022203 |
| Base 4 | 102014 | 110014 |
| Base 5 | 21245 | 22415 |
| Base 6 | 12016 | 12536 |
| Base 7 | 5627 | 6367 |
| Base 8 | 4418 | 5018 |
| Base 9 | 3519 | 3869 |
| Base 10 | 28910 | 32110 |
| Base 11 | 24311 | 27211 |
| Base 12 | 20112 | 22912 |
| Base 13 | 19313 | 1b913 |
| Base 14 | 16914 | 18d14 |
| Base 15 | 14415 | 16615 |
| Base 16 | 12116 | 14116 |