Compare 381386 vs 381389
| Property | 381386 | 381389 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 231 × 82911 | 3813891 |
| Prime factorization | 2 × 23 × 8291 | 381389 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 23, 46, 8291, 16582, 190693, 381386 | 1, 381389 |
| Number of properties | 0 | 7 |
| Chen primes | 13120th | |
| Isolated primes | 25090th | |
| Primes | 32403rd | |
| Sexy primes (2nd member) | 7340th | |
| Sexy prime quadrupletss (4th member) | 171st | |
| Sexy prime triplets (3rd member) | 1411th | |
| Sophie germain primes | 3469th | |
| Roman numberals | ||
| Base 2 | 10111010001110010102 | 10111010001110011012 |
| Base 3 | 2011010111023 | 2011010111123 |
| Base 4 | 11310130224 | 11310130314 |
| Base 5 | 442010215 | 442010245 |
| Base 6 | 121014026 | 121014056 |
| Base 7 | 31456257 | 31456317 |
| Base 8 | 13507128 | 13507158 |
| Base 9 | 6411429 | 6411459 |
| Base 10 | 38138610 | 38138910 |
| Base 11 | 2405a511 | 2405a811 |
| Base 12 | 16486212 | 16486512 |
| Base 13 | 10479513 | 10479813 |
| Base 14 | 9cdbc14 | 9cdc114 |
| Base 15 | 7800b15 | 7800e15 |
| Base 16 | 5d1ca16 | 5d1cd16 |