Compare 28181 vs 28289
| Property | 28181 | 28289 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 281811 | 282891 |
| Prime factorization | 28181 | 28289 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28181 | 1, 28289 |
| Number of properties | 5 | 7 |
| Additive primes | 1409th | |
| Chen primes | 1493rd | 1497th |
| Harmonic primes | 1147th | |
| Isolated primes | 2182nd | |
| Primes | 3072nd | 3081st |
| Pythagorean primes | 1529th | 1533rd |
| Sexy primes (2nd member) | 907th | |
| Sexy prime triplets (3rd member) | 236th | |
| Twin primes (1st member) | 449th | |
| Roman numberals | ||
| Base 2 | 1101110000101012 | 1101110100000012 |
| Base 3 | 11021222023 | 11022102023 |
| Base 4 | 123201114 | 123220014 |
| Base 5 | 14002115 | 14011245 |
| Base 6 | 3342456 | 3345456 |
| Base 7 | 1451067 | 1453227 |
| Base 8 | 670258 | 672018 |
| Base 9 | 425829 | 427229 |
| Base 10 | 2818110 | 2828910 |
| Base 11 | 1a19a11 | 1a28811 |
| Base 12 | 1438512 | 1445512 |
| Base 13 | ca9a13 | cb5113 |
| Base 14 | a3ad14 | a44914 |
| Base 15 | 853b15 | 85ae15 |
| Base 16 | 6e1516 | 6e8116 |