Compare 1289 vs 1583
| Property | 1289 | 1583 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 12891 | 15831 | 
| Prime factorization | 1289 | 1583 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1289 | 1, 1583 | 
| Number of properties | 7 | 9 | 
| Additive primes | 135th | |
| Chen primes | 136th | 159th | 
| Cousin primes (2nd member) | 56th | |
| Emirps | 76th | |
| Harmonic primes | 84th | |
| Isolated primes | 151st | |
| Long primes | 98th | |
| Primes | 209th | 250th | 
| Pythagorean primes | 103rd | |
| Sexy primes (2nd member) | 90th | |
| Sexy prime triplets (3rd member) | 34th | |
| Sophie germain primes | 45th | 53rd | 
| Twin primes (1st member) | 44th | |
| Roman numberals | MCCLXXXIX | MDLXXXIII | 
| Base 2 | 101000010012 | 110001011112 | 
| Base 3 | 12022023 | 20111223 | 
| Base 4 | 1100214 | 1202334 | 
| Base 5 | 201245 | 223135 | 
| Base 6 | 55456 | 111556 | 
| Base 7 | 35217 | 44217 | 
| Base 8 | 24118 | 30578 | 
| Base 9 | 16829 | 21489 | 
| Base 10 | 128910 | 158310 | 
| Base 11 | a7211 | 120a11 | 
| Base 12 | 8b512 | abb12 | 
| Base 13 | 78213 | 94a13 | 
| Base 14 | 68114 | 81114 | 
| Base 15 | 5ae15 | 70815 | 
| Base 16 | 50916 | 62f16 |