Compare 1289 vs 1619
| Property | 1289 | 1619 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12891 | 16191 |
| Prime factorization | 1289 | 1619 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1289 | 1, 1619 |
| Number of properties | 7 | 10 |
| Additive primes | 137th | |
| Chen primes | 136th | 162nd |
| Emirps | 79th | |
| Long primes | 100th | |
| Primes | 209th | 256th |
| Pythagorean primes | 103rd | |
| Safe primes | 35th | |
| Sexy primes (2nd member) | 90th | 110th |
| Sexy prime quadrupletss (4th member) | 10th | |
| Sexy prime triplets (3rd member) | 34th | 42nd |
| Sophie germain primes | 45th | |
| Twin primes (1st member) | 44th | 52nd |
| Roman numberals | MCCLXXXIX | MDCXIX |
| Base 2 | 101000010012 | 110010100112 |
| Base 3 | 12022023 | 20122223 |
| Base 4 | 1100214 | 1211034 |
| Base 5 | 201245 | 224345 |
| Base 6 | 55456 | 112556 |
| Base 7 | 35217 | 45027 |
| Base 8 | 24118 | 31238 |
| Base 9 | 16829 | 21889 |
| Base 10 | 128910 | 161910 |
| Base 11 | a7211 | 124211 |
| Base 12 | 8b512 | b2b12 |
| Base 13 | 78213 | 97713 |
| Base 14 | 68114 | 83914 |
| Base 15 | 5ae15 | 72e15 |
| Base 16 | 50916 | 65316 |