Compare 1289 vs 1299
| Property | 1289 | 1299 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 12891 | 31 × 4331 |
| Prime factorization | 1289 | 3 × 433 |
| Divisors count | 2 | 4 |
| Divisors | 1, 1289 | 1, 3, 433, 1299 |
| Number of properties | 7 | 1 |
| Chen primes | 136th | |
| Primes | 209th | |
| Pythagorean primes | 103rd | |
| Semiprimes | 382nd | |
| Sexy primes (2nd member) | 90th | |
| Sexy prime triplets (3rd member) | 34th | |
| Sophie germain primes | 45th | |
| Twin primes (1st member) | 44th | |
| Roman numberals | MCCLXXXIX | MCCXCIX |
| Base 2 | 101000010012 | 101000100112 |
| Base 3 | 12022023 | 12100103 |
| Base 4 | 1100214 | 1101034 |
| Base 5 | 201245 | 201445 |
| Base 6 | 55456 | 100036 |
| Base 7 | 35217 | 35347 |
| Base 8 | 24118 | 24238 |
| Base 9 | 16829 | 17039 |
| Base 10 | 128910 | 129910 |
| Base 11 | a7211 | a8111 |
| Base 12 | 8b512 | 90312 |
| Base 13 | 78213 | 78c13 |
| Base 14 | 68114 | 68b14 |
| Base 15 | 5ae15 | 5b915 |
| Base 16 | 50916 | 51316 |