Compare 1279 vs 1289
| Property | 1279 | 1289 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12791 | 12891 |
| Prime factorization | 1279 | 1289 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1279 | 1, 1289 |
| Number of properties | 7 | 7 |
| Additive primes | 112th | |
| Chen primes | 136th | |
| Cousin primes (1st member) | 46th | |
| Emirps | 60th | |
| Primes | 207th | 209th |
| Prime triplets (2nd member) | 33rd | |
| Pythagorean primes | 103rd | |
| Sexy primes (2nd member) | 90th | |
| Sexy prime triplets (3rd member) | 34th | |
| Solinas primes | 53rd | |
| Sophie germain primes | 45th | |
| Twin primes (1st member) | 44th | |
| Twin primes (2nd member) | 43rd | |
| Roman numberals | MCCLXXIX | MCCLXXXIX |
| Base 2 | 100111111112 | 101000010012 |
| Base 3 | 12021013 | 12022023 |
| Base 4 | 1033334 | 1100214 |
| Base 5 | 201045 | 201245 |
| Base 6 | 55316 | 55456 |
| Base 7 | 35057 | 35217 |
| Base 8 | 23778 | 24118 |
| Base 9 | 16719 | 16829 |
| Base 10 | 127910 | 128910 |
| Base 11 | a6311 | a7211 |
| Base 12 | 8a712 | 8b512 |
| Base 13 | 77513 | 78213 |
| Base 14 | 67514 | 68114 |
| Base 15 | 5a415 | 5ae15 |
| Base 16 | 4ff16 | 50916 |