Compare 28309 vs 28313
| Property | 28309 | 28313 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 283091 | 231 × 12311 |
| Prime factorization | 28309 | 23 × 1231 |
| Divisors count | 2 | 4 |
| Divisors | 1, 28309 | 1, 23, 1231, 28313 |
| Number of properties | 5 | 1 |
| Chen primes | 1500th | |
| Long primes | 1173rd | |
| Primes | 3084th | |
| Pythagorean primes | 1535th | |
| Semiprimes | 7060th | |
| Twin primes (2nd member) | 451st | |
| Roman numberals | ||
| Base 2 | 1101110100101012 | 1101110100110012 |
| Base 3 | 11022111113 | 11022111223 |
| Base 4 | 123221114 | 123221214 |
| Base 5 | 14012145 | 14012235 |
| Base 6 | 3350216 | 3350256 |
| Base 7 | 1453517 | 1453557 |
| Base 8 | 672258 | 672318 |
| Base 9 | 427449 | 427489 |
| Base 10 | 2830910 | 2831310 |
| Base 11 | 1a2a611 | 1a2aa11 |
| Base 12 | 1447112 | 1447512 |
| Base 13 | cb6813 | cb6c13 |
| Base 14 | a46114 | a46514 |
| Base 15 | 85c415 | 85c815 |
| Base 16 | 6e9516 | 6e9916 |