Compare 28019 vs 28309
| Property | 28019 | 28309 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 280191 | 283091 |
| Prime factorization | 28019 | 28309 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28019 | 1, 28309 |
| Number of properties | 6 | 5 |
| Chen primes | 1487th | 1500th |
| Isolated primes | 2166th | |
| Long primes | 1164th | 1173rd |
| Primes | 3057th | 3084th |
| Pythagorean primes | 1535th | |
| Safe primes | 249th | |
| Sophie germain primes | 425th | |
| Twin primes (2nd member) | 451st | |
| Roman numberals | ||
| Base 2 | 1101101011100112 | 1101110100101012 |
| Base 3 | 11021022023 | 11022111113 |
| Base 4 | 123113034 | 123221114 |
| Base 5 | 13440345 | 14012145 |
| Base 6 | 3334156 | 3350216 |
| Base 7 | 1444557 | 1453517 |
| Base 8 | 665638 | 672258 |
| Base 9 | 423829 | 427449 |
| Base 10 | 2801910 | 2830910 |
| Base 11 | 1a06211 | 1a2a611 |
| Base 12 | 1426b12 | 1447112 |
| Base 13 | c9a413 | cb6813 |
| Base 14 | a2d514 | a46114 |
| Base 15 | 847e15 | 85c415 |
| Base 16 | 6d7316 | 6e9516 |