Compare 381981 vs 381989
| Property | 381981 | 381989 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 1571 × 8111 | 3819891 |
| Prime factorization | 3 × 157 × 811 | 381989 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 157, 471, 811, 2433, 127327, 381981 | 1, 381989 |
| Number of properties | 0 | 3 |
| Chen primes | 13141st | |
| Primes | 32447th | |
| Twin primes (1st member) | 3662nd | |
| Roman numberals | ||
| Base 2 | 10111010100000111012 | 10111010100001001012 |
| Base 3 | 2011012221103 | 2011012222023 |
| Base 4 | 11311001314 | 11311002114 |
| Base 5 | 442104115 | 442104245 |
| Base 6 | 121042336 | 121042456 |
| Base 7 | 31504357 | 31504467 |
| Base 8 | 13520358 | 13520458 |
| Base 9 | 6418739 | 6418829 |
| Base 10 | 38198110 | 38198910 |
| Base 11 | 240a9611 | 240aa311 |
| Base 12 | 16507912 | 16508512 |
| Base 13 | 104b3213 | 104b3a13 |
| Base 14 | 9d2c514 | 9d2cd14 |
| Base 15 | 782a615 | 782ae15 |
| Base 16 | 5d41d16 | 5d42516 |