Compare 1289 vs 1667
| Property | 1289 | 1667 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12891 | 16671 |
| Prime factorization | 1289 | 1667 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1289 | 1, 1667 |
| Number of properties | 7 | 6 |
| Chen primes | 136th | 165th |
| Cousin primes (2nd member) | 59th | |
| Harmonic primes | 92nd | |
| Primes | 209th | 262nd |
| Prime triplets (2nd member) | 43rd | |
| Pythagorean primes | 103rd | |
| Sexy primes (2nd member) | 90th | |
| Sexy prime triplets (3rd member) | 34th | |
| Sophie germain primes | 45th | |
| Twin primes (1st member) | 44th | 53rd |
| Roman numberals | MCCLXXXIX | MDCLXVII |
| Base 2 | 101000010012 | 110100000112 |
| Base 3 | 12022023 | 20212023 |
| Base 4 | 1100214 | 1220034 |
| Base 5 | 201245 | 231325 |
| Base 6 | 55456 | 114156 |
| Base 7 | 35217 | 46017 |
| Base 8 | 24118 | 32038 |
| Base 9 | 16829 | 22529 |
| Base 10 | 128910 | 166710 |
| Base 11 | a7211 | 128611 |
| Base 12 | 8b512 | b6b12 |
| Base 13 | 78213 | 9b313 |
| Base 14 | 68114 | 87114 |
| Base 15 | 5ae15 | 76215 |
| Base 16 | 50916 | 68316 |