Compare 1567 vs 1999
| Property | 1567 | 1999 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15671 | 19991 |
| Prime factorization | 1567 | 1999 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1567 | 1, 1999 |
| Number of properties | 7 | 8 |
| Additive primes | 134th | |
| Centered triangular primes | 10th | |
| Chen primes | 158th | |
| Cousin primes (1st member) | 55th | 65th |
| Isolated primes | 148th | |
| Long primes | 95th | |
| Lucky primes | 59th | |
| Primes | 247th | 303rd |
| Prime triplets (2nd member) | 50th | |
| Prime triplets (3rd member) | 49th | |
| Sexy primes (2nd member) | 128th | |
| Sexy prime triplets (3rd member) | 50th | |
| Twin primes (2nd member) | 61st | |
| Roman numberals | MDLXVII | MCMXCIX |
| Base 2 | 110000111112 | 111110011112 |
| Base 3 | 20110013 | 22020013 |
| Base 4 | 1201334 | 1330334 |
| Base 5 | 222325 | 304445 |
| Base 6 | 111316 | 131316 |
| Base 7 | 43667 | 55547 |
| Base 8 | 30378 | 37178 |
| Base 9 | 21319 | 26619 |
| Base 10 | 156710 | 199910 |
| Base 11 | 11a511 | 155811 |
| Base 12 | aa712 | 11a712 |
| Base 13 | 93713 | baa13 |
| Base 14 | 7dd14 | a2b14 |
| Base 15 | 6e715 | 8d415 |
| Base 16 | 61f16 | 7cf16 |