Compare 1231 vs 1567
| Property | 1231 | 1567 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12311 | 15671 |
| Prime factorization | 1231 | 1567 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1231 | 1, 1567 |
| Number of properties | 6 | 7 |
| Additive primes | 108th | 134th |
| Chen primes | 158th | |
| Cousin primes (1st member) | 55th | |
| Emirps | 56th | |
| Isolated primes | 148th | |
| Long primes | 95th | |
| Lucky primes | 52nd | 59th |
| Primes | 202nd | 247th |
| Sexy primes (1st member) | 88th | |
| Twin primes (2nd member) | 42nd | |
| Roman numberals | MCCXXXI | MDLXVII |
| Base 2 | 100110011112 | 110000111112 |
| Base 3 | 12001213 | 20110013 |
| Base 4 | 1030334 | 1201334 |
| Base 5 | 144115 | 222325 |
| Base 6 | 54116 | 111316 |
| Base 7 | 34067 | 43667 |
| Base 8 | 23178 | 30378 |
| Base 9 | 16179 | 21319 |
| Base 10 | 123110 | 156710 |
| Base 11 | a1a11 | 11a511 |
| Base 12 | 86712 | aa712 |
| Base 13 | 73913 | 93713 |
| Base 14 | 63d14 | 7dd14 |
| Base 15 | 57115 | 6e715 |
| Base 16 | 4cf16 | 61f16 |