Compare 381989 vs 381997
| Property | 381989 | 381997 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 5 |
| Prime factorization | 3819891 | 71 × 113 × 411 |
| Prime factorization | 381989 | 7 × 11 × 11 × 11 × 41 |
| Divisors count | 2 | 16 |
| Divisors | 1, 381989 | 1, 7, 11, 41, 77, 121, 287, 451, 847, 1331, 3157, 4961, 9317, 34727, 54571, 381997 |
| Number of properties | 3 | 0 |
| Chen primes | 13141st | |
| Primes | 32447th | |
| Twin primes (1st member) | 3662nd | |
| Roman numberals | ||
| Base 2 | 10111010100001001012 | 10111010100001011012 |
| Base 3 | 2011012222023 | 2011020000013 |
| Base 4 | 11311002114 | 11311002314 |
| Base 5 | 442104245 | 442104425 |
| Base 6 | 121042456 | 121043016 |
| Base 7 | 31504467 | 31504607 |
| Base 8 | 13520458 | 13520558 |
| Base 9 | 6418829 | 6420019 |
| Base 10 | 38198910 | 38199710 |
| Base 11 | 240aa311 | 24100011 |
| Base 12 | 16508512 | 16509112 |
| Base 13 | 104b3a13 | 104b4513 |
| Base 14 | 9d2cd14 | 9d2d714 |
| Base 15 | 782ae15 | 782b715 |
| Base 16 | 5d42516 | 5d42d16 |