Compare 1289 vs 1511
| Property | 1289 | 1511 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12891 | 15111 |
| Prime factorization | 1289 | 1511 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1289 | 1, 1511 |
| Number of properties | 7 | 7 |
| Chen primes | 136th | 155th |
| Emirps | 73rd | |
| Happy primes | 48th | |
| Isolated primes | 141st | |
| Multiplicative primes | 17th | |
| Primes | 209th | 240th |
| Pythagorean primes | 103rd | |
| Sexy primes (2nd member) | 90th | |
| Sexy prime triplets (3rd member) | 34th | |
| Sophie germain primes | 45th | 51st |
| Twin primes (1st member) | 44th | |
| Roman numberals | MCCLXXXIX | MDXI |
| Base 2 | 101000010012 | 101111001112 |
| Base 3 | 12022023 | 20012223 |
| Base 4 | 1100214 | 1132134 |
| Base 5 | 201245 | 220215 |
| Base 6 | 55456 | 105556 |
| Base 7 | 35217 | 42567 |
| Base 8 | 24118 | 27478 |
| Base 9 | 16829 | 20589 |
| Base 10 | 128910 | 151110 |
| Base 11 | a7211 | 115411 |
| Base 12 | 8b512 | a5b12 |
| Base 13 | 78213 | 8c313 |
| Base 14 | 68114 | 79d14 |
| Base 15 | 5ae15 | 6ab15 |
| Base 16 | 50916 | 5e716 |