Compare 1307 vs 1321
| Property | 1307 | 1321 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 13071 | 13211 |
| Prime factorization | 1307 | 1321 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1307 | 1, 1321 |
| Number of properties | 7 | 7 |
| Additive primes | 117th | 118th |
| Cousin primes (2nd member) | 48th | |
| Emirps | 63rd | |
| Harmonic primes | 74th | |
| Isolated primes | 125th | |
| Primes | 214th | 216th |
| Prime triplets (3rd member) | 35th | |
| Pythagorean primes | 106th | |
| Safe primes | 29th | |
| Sexy primes (1st member) | 94th | |
| Sexy primes (2nd member) | 93rd | |
| Twin primes (2nd member) | 46th | |
| Roman numberals | MCCCVII | MCCCXXI |
| Base 2 | 101000110112 | 101001010012 |
| Base 3 | 12101023 | 12102213 |
| Base 4 | 1101234 | 1102214 |
| Base 5 | 202125 | 202415 |
| Base 6 | 100156 | 100416 |
| Base 7 | 35457 | 35657 |
| Base 8 | 24338 | 24518 |
| Base 9 | 17129 | 17279 |
| Base 10 | 130710 | 132110 |
| Base 11 | a8911 | aa111 |
| Base 12 | 90b12 | 92112 |
| Base 13 | 79713 | 7a813 |
| Base 14 | 69514 | 6a514 |
| Base 15 | 5c215 | 5d115 |
| Base 16 | 51b16 | 52916 |