Compare 1289 vs 1787
| Property | 1289 | 1787 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12891 | 17871 |
| Prime factorization | 1289 | 1787 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1289 | 1, 1787 |
| Number of properties | 7 | 7 |
| Additive primes | 148th | |
| Chen primes | 136th | 173rd |
| Cousin primes (2nd member) | 61st | |
| Primes | 209th | 277th |
| Prime triplets (2nd member) | 45th | |
| Pythagorean primes | 103rd | |
| Sexy primes (2nd member) | 90th | |
| Sexy prime triplets (3rd member) | 34th | |
| Sophie germain primes | 45th | |
| Super primes | 59th | |
| Twin primes (1st member) | 44th | 56th |
| Roman numberals | MCCLXXXIX | MDCCLXXXVII |
| Base 2 | 101000010012 | 110111110112 |
| Base 3 | 12022023 | 21100123 |
| Base 4 | 1100214 | 1233234 |
| Base 5 | 201245 | 241225 |
| Base 6 | 55456 | 121356 |
| Base 7 | 35217 | 51327 |
| Base 8 | 24118 | 33738 |
| Base 9 | 16829 | 24059 |
| Base 10 | 128910 | 178710 |
| Base 11 | a7211 | 138511 |
| Base 12 | 8b512 | 104b12 |
| Base 13 | 78213 | a7613 |
| Base 14 | 68114 | 91914 |
| Base 15 | 5ae15 | 7e215 |
| Base 16 | 50916 | 6fb16 |