Compare 28309 vs 28318
| Property | 28309 | 28318 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 283091 | 21 × 141591 |
| Prime factorization | 28309 | 2 × 14159 |
| Divisors count | 2 | 4 |
| Divisors | 1, 28309 | 1, 2, 14159, 28318 |
| Number of properties | 5 | 1 |
| Chen primes | 1500th | |
| Long primes | 1173rd | |
| Primes | 3084th | |
| Pythagorean primes | 1535th | |
| Semiprimes | 7062nd | |
| Twin primes (2nd member) | 451st | |
| Roman numberals | ||
| Base 2 | 1101110100101012 | 1101110100111102 |
| Base 3 | 11022111113 | 11022112113 |
| Base 4 | 123221114 | 123221324 |
| Base 5 | 14012145 | 14012335 |
| Base 6 | 3350216 | 3350346 |
| Base 7 | 1453517 | 1453637 |
| Base 8 | 672258 | 672368 |
| Base 9 | 427449 | 427549 |
| Base 10 | 2830910 | 2831810 |
| Base 11 | 1a2a611 | 1a30411 |
| Base 12 | 1447112 | 1447a12 |
| Base 13 | cb6813 | cb7413 |
| Base 14 | a46114 | a46a14 |
| Base 15 | 85c415 | 85cd15 |
| Base 16 | 6e9516 | 6e9e16 |