Compare 85 vs 89
| Property | 85 | 89 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 171 | 891 |
| Prime factorization | 5 × 17 | 89 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 17, 85 | 1, 89 |
| Number of properties | 1 | 8 |
| Additive primes | 14th | |
| Chen primes | 20th | |
| Fibonacci primes | 5th | |
| Isolated primes | 9th | |
| Primes | 24th | |
| Pythagorean primes | 10th | |
| Semiprimes | 28th | |
| Sexy primes (2nd member) | 15th | |
| Sophie germain primes | 10th | |
| Roman numberals | LXXXV | LXXXIX |
| Base 2 | 10101012 | 10110012 |
| Base 3 | 100113 | 100223 |
| Base 4 | 11114 | 11214 |
| Base 5 | 3205 | 3245 |
| Base 6 | 2216 | 2256 |
| Base 7 | 1517 | 1557 |
| Base 8 | 1258 | 1318 |
| Base 9 | 1049 | 1089 |
| Base 10 | 8510 | 8910 |
| Base 11 | 7811 | 8111 |
| Base 12 | 7112 | 7512 |
| Base 13 | 6713 | 6b13 |
| Base 14 | 6114 | 6514 |
| Base 15 | 5a15 | 5e15 |
| Base 16 | 5516 | 5916 |