Compare 28181 vs 28571
| Property | 28181 | 28571 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 281811 | 285711 |
| Prime factorization | 28181 | 28571 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28181 | 1, 28571 |
| Number of properties | 5 | 8 |
| Additive primes | 1418th | |
| Chen primes | 1493rd | 1508th |
| Good primes | 318th | |
| Harmonic primes | 1147th | 1161st |
| Long primes | 1182nd | |
| Primes | 3072nd | 3108th |
| Pythagorean primes | 1529th | |
| Sophie germain primes | 429th | |
| Twin primes (1st member) | 449th | 455th |
| Roman numberals | ||
| Base 2 | 1101110000101012 | 1101111100110112 |
| Base 3 | 11021222023 | 11100120123 |
| Base 4 | 123201114 | 123321234 |
| Base 5 | 14002115 | 14032415 |
| Base 6 | 3342456 | 3401356 |
| Base 7 | 1451067 | 1462047 |
| Base 8 | 670258 | 676338 |
| Base 9 | 425829 | 431659 |
| Base 10 | 2818110 | 2857110 |
| Base 11 | 1a19a11 | 1a51411 |
| Base 12 | 1438512 | 1464b12 |
| Base 13 | ca9a13 | 1000a13 |
| Base 14 | a3ad14 | a5ab14 |
| Base 15 | 853b15 | 86eb15 |
| Base 16 | 6e1516 | 6f9b16 |