Compare 349 vs 389
| Property | 349 | 389 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3491 | 3891 |
| Prime factorization | 349 | 389 |
| Divisors count | 2 | 2 |
| Divisors | 1, 349 | 1, 389 |
| Number of properties | 7 | 7 |
| Chen primes | 55th | |
| Cousin primes (1st member) | 20th | |
| Emirps | 20th | |
| Harmonic primes | 30th | |
| Isolated primes | 36th | |
| Long primes | 29th | |
| Lucky primes | 20th | |
| Primes | 70th | 77th |
| Prime triplets (2nd member) | 20th | |
| Pythagorean primes | 33rd | 36th |
| Sexy primes (2nd member) | 42nd | |
| Twin primes (2nd member) | 21st | |
| Roman numberals | CCCXLIX | CCCLXXXIX |
| Base 2 | 1010111012 | 1100001012 |
| Base 3 | 1102213 | 1121023 |
| Base 4 | 111314 | 120114 |
| Base 5 | 23445 | 30245 |
| Base 6 | 13416 | 14456 |
| Base 7 | 10067 | 10647 |
| Base 8 | 5358 | 6058 |
| Base 9 | 4279 | 4729 |
| Base 10 | 34910 | 38910 |
| Base 11 | 29811 | 32411 |
| Base 12 | 25112 | 28512 |
| Base 13 | 20b13 | 23c13 |
| Base 14 | 1ad14 | 1db14 |
| Base 15 | 18415 | 1ae15 |
| Base 16 | 15d16 | 18516 |