Compare 28309 vs 28311
| Property | 28309 | 28311 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 283091 | 31 × 94371 |
| Prime factorization | 28309 | 3 × 9437 |
| Divisors count | 2 | 4 |
| Divisors | 1, 28309 | 1, 3, 9437, 28311 |
| Number of properties | 5 | 1 |
| Chen primes | 1500th | |
| Long primes | 1173rd | |
| Primes | 3084th | |
| Pythagorean primes | 1535th | |
| Semiprimes | 7059th | |
| Twin primes (2nd member) | 451st | |
| Roman numberals | ||
| Base 2 | 1101110100101012 | 1101110100101112 |
| Base 3 | 11022111113 | 11022111203 |
| Base 4 | 123221114 | 123221134 |
| Base 5 | 14012145 | 14012215 |
| Base 6 | 3350216 | 3350236 |
| Base 7 | 1453517 | 1453537 |
| Base 8 | 672258 | 672278 |
| Base 9 | 427449 | 427469 |
| Base 10 | 2830910 | 2831110 |
| Base 11 | 1a2a611 | 1a2a811 |
| Base 12 | 1447112 | 1447312 |
| Base 13 | cb6813 | cb6a13 |
| Base 14 | a46114 | a46314 |
| Base 15 | 85c415 | 85c615 |
| Base 16 | 6e9516 | 6e9716 |