Compare 3881 vs 3891
| Property | 3881 | 3891 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 38811 | 31 × 12971 |
| Prime factorization | 3881 | 3 × 1297 |
| Divisors count | 2 | 4 |
| Divisors | 1, 3881 | 1, 3, 1297, 3891 |
| Number of properties | 5 | 1 |
| Chen primes | 313th | |
| Cousin primes (2nd member) | 105th | |
| Isolated primes | 337th | |
| Primes | 538th | |
| Pythagorean primes | 265th | |
| Semiprimes | 1074th | |
| Roman numberals | MMMDCCCLXXXI | MMMDCCCXCI |
| Base 2 | 1111001010012 | 1111001100112 |
| Base 3 | 120222023 | 121000103 |
| Base 4 | 3302214 | 3303034 |
| Base 5 | 1110115 | 1110315 |
| Base 6 | 255456 | 300036 |
| Base 7 | 142137 | 142267 |
| Base 8 | 74518 | 74638 |
| Base 9 | 52829 | 53039 |
| Base 10 | 388110 | 389110 |
| Base 11 | 2a0911 | 2a1811 |
| Base 12 | 22b512 | 230312 |
| Base 13 | 19c713 | 1a0413 |
| Base 14 | 15b314 | 15bd14 |
| Base 15 | 123b15 | 124615 |
| Base 16 | f2916 | f3316 |