Compare 385 vs 389
| Property | 385 | 389 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 71 × 111 | 3891 |
| Prime factorization | 5 × 7 × 11 | 389 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 7, 11, 35, 55, 77, 385 | 1, 389 |
| Number of properties | 0 | 7 |
| Chen primes | 55th | |
| Emirps | 20th | |
| Isolated primes | 36th | |
| Long primes | 29th | |
| Primes | 77th | |
| Pythagorean primes | 36th | |
| Sexy primes (2nd member) | 42nd | |
| Roman numberals | CCCLXXXV | CCCLXXXIX |
| Base 2 | 1100000012 | 1100001012 |
| Base 3 | 1120213 | 1121023 |
| Base 4 | 120014 | 120114 |
| Base 5 | 30205 | 30245 |
| Base 6 | 14416 | 14456 |
| Base 7 | 10607 | 10647 |
| Base 8 | 6018 | 6058 |
| Base 9 | 4679 | 4729 |
| Base 10 | 38510 | 38910 |
| Base 11 | 32011 | 32411 |
| Base 12 | 28112 | 28512 |
| Base 13 | 23813 | 23c13 |
| Base 14 | 1d714 | 1db14 |
| Base 15 | 1aa15 | 1ae15 |
| Base 16 | 18116 | 18516 |