Compare 389 vs 499
| Property | 389 | 499 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3891 | 4991 |
| Prime factorization | 389 | 499 |
| Divisors count | 2 | 2 |
| Divisors | 1, 389 | 1, 499 |
| Number of properties | 7 | 6 |
| Chen primes | 55th | 67th |
| Cousin primes (1st member) | 27th | |
| Emirps | 20th | |
| Harmonic primes | 39th | |
| Isolated primes | 36th | 48th |
| Long primes | 29th | 35th |
| Primes | 77th | 95th |
| Pythagorean primes | 36th | |
| Sexy primes (2nd member) | 42nd | |
| Roman numberals | CCCLXXXIX | CDXCIX |
| Base 2 | 1100001012 | 1111100112 |
| Base 3 | 1121023 | 2001113 |
| Base 4 | 120114 | 133034 |
| Base 5 | 30245 | 34445 |
| Base 6 | 14456 | 21516 |
| Base 7 | 10647 | 13127 |
| Base 8 | 6058 | 7638 |
| Base 9 | 4729 | 6149 |
| Base 10 | 38910 | 49910 |
| Base 11 | 32411 | 41411 |
| Base 12 | 28512 | 35712 |
| Base 13 | 23c13 | 2c513 |
| Base 14 | 1db14 | 27914 |
| Base 15 | 1ae15 | 23415 |
| Base 16 | 18516 | 1f316 |