Compare 381989 vs 381991
| Property | 381989 | 381991 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3819891 | 3819911 |
| Prime factorization | 381989 | 381991 |
| Divisors count | 2 | 2 |
| Divisors | 1, 381989 | 1, 381991 |
| Number of properties | 3 | 4 |
| Additive primes | 12865th | |
| Chen primes | 13141st | 13142nd |
| Primes | 32447th | 32448th |
| Twin primes (1st member) | 3662nd | |
| Twin primes (2nd member) | 3662nd | |
| Roman numberals | ||
| Base 2 | 10111010100001001012 | 10111010100001001112 |
| Base 3 | 2011012222023 | 2011012222113 |
| Base 4 | 11311002114 | 11311002134 |
| Base 5 | 442104245 | 442104315 |
| Base 6 | 121042456 | 121042516 |
| Base 7 | 31504467 | 31504517 |
| Base 8 | 13520458 | 13520478 |
| Base 9 | 6418829 | 6418849 |
| Base 10 | 38198910 | 38199110 |
| Base 11 | 240aa311 | 240aa511 |
| Base 12 | 16508512 | 16508712 |
| Base 13 | 104b3a13 | 104b3c13 |
| Base 14 | 9d2cd14 | 9d2d114 |
| Base 15 | 782ae15 | 782b115 |
| Base 16 | 5d42516 | 5d42716 |