Compare 28111 vs 28181
| Property | 28111 | 28181 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 281111 | 281811 |
| Prime factorization | 28111 | 28181 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28111 | 1, 28181 |
| Number of properties | 5 | 5 |
| Additive primes | 1404th | |
| Chen primes | 1491st | 1493rd |
| Harmonic primes | 1144th | 1147th |
| Primes | 3068th | 3072nd |
| Pythagorean primes | 1529th | |
| Twin primes (1st member) | 449th | |
| Twin primes (2nd member) | 448th | |
| Roman numberals | ||
| Base 2 | 1101101110011112 | 1101110000101012 |
| Base 3 | 11021200113 | 11021222023 |
| Base 4 | 123130334 | 123201114 |
| Base 5 | 13444215 | 14002115 |
| Base 6 | 3340516 | 3342456 |
| Base 7 | 1446467 | 1451067 |
| Base 8 | 667178 | 670258 |
| Base 9 | 425049 | 425829 |
| Base 10 | 2811110 | 2818110 |
| Base 11 | 1a13611 | 1a19a11 |
| Base 12 | 1432712 | 1438512 |
| Base 13 | ca4513 | ca9a13 |
| Base 14 | a35d14 | a3ad14 |
| Base 15 | 84e115 | 853b15 |
| Base 16 | 6dcf16 | 6e1516 |