Compare 1109 vs 1289
| Property | 1109 | 1289 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 11091 | 12891 |
| Prime factorization | 1109 | 1289 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1109 | 1, 1289 |
| Number of properties | 11 | 7 |
| Additive primes | 100th | |
| Chen primes | 124th | 136th |
| Emirps | 46th | |
| Harmonic primes | 67th | |
| Isolated primes | 107th | |
| Long primes | 71st | |
| Primes | 186th | 209th |
| Pythagorean primes | 90th | 103rd |
| Sexy primes (2nd member) | 81st | 90th |
| Sexy prime quadrupletss (4th member) | 8th | |
| Sexy prime triplets (3rd member) | 30th | 34th |
| Sophie germain primes | 45th | |
| Twin primes (1st member) | 44th | |
| Roman numberals | MCIX | MCCLXXXIX |
| Base 2 | 100010101012 | 101000010012 |
| Base 3 | 11120023 | 12022023 |
| Base 4 | 1011114 | 1100214 |
| Base 5 | 134145 | 201245 |
| Base 6 | 50456 | 55456 |
| Base 7 | 31437 | 35217 |
| Base 8 | 21258 | 24118 |
| Base 9 | 14629 | 16829 |
| Base 10 | 110910 | 128910 |
| Base 11 | 91911 | a7211 |
| Base 12 | 78512 | 8b512 |
| Base 13 | 67413 | 78213 |
| Base 14 | 59314 | 68114 |
| Base 15 | 4de15 | 5ae15 |
| Base 16 | 45516 | 50916 |