Compare 386987 vs 386991
| Property | 386987 | 386991 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 5 |
| Prime factorization | 3869871 | 33 × 111 × 13031 |
| Prime factorization | 386987 | 3 × 3 × 3 × 11 × 1303 |
| Divisors count | 2 | 16 |
| Divisors | 1, 386987 | 1, 3, 9, 11, 27, 33, 99, 297, 1303, 3909, 11727, 14333, 35181, 42999, 128997, 386991 |
| Number of properties | 8 | 0 |
| Additive primes | 13002nd | |
| Chen primes | 13292nd | |
| Emirps | 6371st | |
| Primes | 32837th | |
| Prime triplets (1st member) | 1405th | |
| Safe primes | 1999th | |
| Sexy primes (1st member) | 7429th | |
| Twin primes (1st member) | 3701st | |
| Roman numberals | ||
| Base 2 | 10111100111101010112 | 10111100111101011112 |
| Base 3 | 2011222112123 | 2011222120003 |
| Base 4 | 11321322234 | 11321322334 |
| Base 5 | 443404225 | 443404315 |
| Base 6 | 121433356 | 121433436 |
| Base 7 | 32011467 | 32011537 |
| Base 8 | 13636538 | 13636578 |
| Base 9 | 6487559 | 6487609 |
| Base 10 | 38698710 | 38699110 |
| Base 11 | 24482711 | 24483011 |
| Base 12 | 167b4b12 | 167b5312 |
| Base 13 | 1071b313 | 1071b713 |
| Base 14 | a105d14 | a106314 |
| Base 15 | 799e215 | 799e615 |
| Base 16 | 5e7ab16 | 5e7af16 |