Compare 1565 vs 1567
| Property | 1565 | 1567 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 3131 | 15671 |
| Prime factorization | 5 × 313 | 1567 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 313, 1565 | 1, 1567 |
| Number of properties | 1 | 7 |
| Additive primes | 134th | |
| Chen primes | 158th | |
| Cousin primes (1st member) | 55th | |
| Isolated primes | 148th | |
| Long primes | 95th | |
| Lucky primes | 59th | |
| Primes | 247th | |
| Semiprimes | 455th | |
| Roman numberals | MDLXV | MDLXVII |
| Base 2 | 110000111012 | 110000111112 |
| Base 3 | 20102223 | 20110013 |
| Base 4 | 1201314 | 1201334 |
| Base 5 | 222305 | 222325 |
| Base 6 | 111256 | 111316 |
| Base 7 | 43647 | 43667 |
| Base 8 | 30358 | 30378 |
| Base 9 | 21289 | 21319 |
| Base 10 | 156510 | 156710 |
| Base 11 | 11a311 | 11a511 |
| Base 12 | aa512 | aa712 |
| Base 13 | 93513 | 93713 |
| Base 14 | 7db14 | 7dd14 |
| Base 15 | 6e515 | 6e715 |
| Base 16 | 61d16 | 61f16 |