Compare 349 vs 361
| Property | 349 | 361 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 2 |
| Prime factorization | 3491 | 192 |
| Prime factorization | 349 | 19 × 19 |
| Divisors count | 2 | 3 |
| Divisors | 1, 349 | 1, 19, 361 |
| Number of properties | 7 | 1 |
| Cousin primes (1st member) | 20th | |
| Harmonic primes | 30th | |
| Lucky primes | 20th | |
| Primes | 70th | |
| Prime triplets (2nd member) | 20th | |
| Pythagorean primes | 33rd | |
| Semiprimes | 114th | |
| Twin primes (2nd member) | 21st | |
| Roman numberals | CCCXLIX | CCCLXI |
| Base 2 | 1010111012 | 1011010012 |
| Base 3 | 1102213 | 1111013 |
| Base 4 | 111314 | 112214 |
| Base 5 | 23445 | 24215 |
| Base 6 | 13416 | 14016 |
| Base 7 | 10067 | 10247 |
| Base 8 | 5358 | 5518 |
| Base 9 | 4279 | 4419 |
| Base 10 | 34910 | 36110 |
| Base 11 | 29811 | 2a911 |
| Base 12 | 25112 | 26112 |
| Base 13 | 20b13 | 21a13 |
| Base 14 | 1ad14 | 1bb14 |
| Base 15 | 18415 | 19115 |
| Base 16 | 15d16 | 16916 |