Compare 1284 vs 1289
| Property | 1284 | 1289 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 31 × 1071 | 12891 |
| Prime factorization | 2 × 2 × 3 × 107 | 1289 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284 | 1, 1289 |
| Number of properties | 0 | 7 |
| Chen primes | 136th | |
| Primes | 209th | |
| Pythagorean primes | 103rd | |
| Sexy primes (2nd member) | 90th | |
| Sexy prime triplets (3rd member) | 34th | |
| Sophie germain primes | 45th | |
| Twin primes (1st member) | 44th | |
| Roman numberals | MCCLXXXIV | MCCLXXXIX |
| Base 2 | 101000001002 | 101000010012 |
| Base 3 | 12021203 | 12022023 |
| Base 4 | 1100104 | 1100214 |
| Base 5 | 201145 | 201245 |
| Base 6 | 55406 | 55456 |
| Base 7 | 35137 | 35217 |
| Base 8 | 24048 | 24118 |
| Base 9 | 16769 | 16829 |
| Base 10 | 128410 | 128910 |
| Base 11 | a6811 | a7211 |
| Base 12 | 8b012 | 8b512 |
| Base 13 | 77a13 | 78213 |
| Base 14 | 67a14 | 68114 |
| Base 15 | 5a915 | 5ae15 |
| Base 16 | 50416 | 50916 |