Compare 389 vs 401
| Property | 389 | 401 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3891 | 4011 |
| Prime factorization | 389 | 401 |
| Divisors count | 2 | 2 |
| Divisors | 1, 389 | 1, 401 |
| Number of properties | 7 | 7 |
| Additive primes | 46th | |
| Chen primes | 55th | 56th |
| Cousin primes (2nd member) | 22nd | |
| Emirps | 20th | |
| Isolated primes | 36th | 38th |
| Long primes | 29th | |
| Primes | 77th | 79th |
| Pythagorean primes | 36th | 38th |
| Sexy primes (2nd member) | 42nd | |
| Super primes | 22nd | |
| Roman numberals | CCCLXXXIX | CDI |
| Base 2 | 1100001012 | 1100100012 |
| Base 3 | 1121023 | 1122123 |
| Base 4 | 120114 | 121014 |
| Base 5 | 30245 | 31015 |
| Base 6 | 14456 | 15056 |
| Base 7 | 10647 | 11127 |
| Base 8 | 6058 | 6218 |
| Base 9 | 4729 | 4859 |
| Base 10 | 38910 | 40110 |
| Base 11 | 32411 | 33511 |
| Base 12 | 28512 | 29512 |
| Base 13 | 23c13 | 24b13 |
| Base 14 | 1db14 | 20914 |
| Base 15 | 1ae15 | 1bb15 |
| Base 16 | 18516 | 19116 |