Compare 307 vs 319
| Property | 307 | 319 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 3071 | 111 × 291 |
| Prime factorization | 307 | 11 × 29 |
| Divisors count | 2 | 4 |
| Divisors | 1, 307 | 1, 11, 29, 319 |
| Number of properties | 9 | 1 |
| Chen primes | 47th | |
| Cousin primes (1st member) | 18th | |
| Good primes | 22nd | |
| Harmonic primes | 25th | |
| Isolated primes | 26th | |
| Lucky primes | 18th | |
| Primes | 63rd | |
| Prime triplets (1st member) | 18th | |
| Semiprimes | 101st | |
| Sexy primes (1st member) | 35th | |
| Roman numberals | CCCVII | CCCXIX |
| Base 2 | 1001100112 | 1001111112 |
| Base 3 | 1021013 | 1022113 |
| Base 4 | 103034 | 103334 |
| Base 5 | 22125 | 22345 |
| Base 6 | 12316 | 12516 |
| Base 7 | 6167 | 6347 |
| Base 8 | 4638 | 4778 |
| Base 9 | 3719 | 3849 |
| Base 10 | 30710 | 31910 |
| Base 11 | 25a11 | 27011 |
| Base 12 | 21712 | 22712 |
| Base 13 | 1a813 | 1b713 |
| Base 14 | 17d14 | 18b14 |
| Base 15 | 15715 | 16415 |
| Base 16 | 13316 | 13f16 |