Compare 1271 vs 1279
| Property | 1271 | 1279 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 311 × 411 | 12791 |
| Prime factorization | 31 × 41 | 1279 |
| Divisors count | 4 | 2 |
| Divisors | 1, 31, 41, 1271 | 1, 1279 |
| Number of properties | 1 | 7 |
| Additive primes | 112th | |
| Cousin primes (1st member) | 46th | |
| Emirps | 60th | |
| Primes | 207th | |
| Prime triplets (2nd member) | 33rd | |
| Semiprimes | 375th | |
| Solinas primes | 53rd | |
| Twin primes (2nd member) | 43rd | |
| Roman numberals | MCCLXXI | MCCLXXIX |
| Base 2 | 100111101112 | 100111111112 |
| Base 3 | 12020023 | 12021013 |
| Base 4 | 1033134 | 1033334 |
| Base 5 | 200415 | 201045 |
| Base 6 | 55156 | 55316 |
| Base 7 | 34647 | 35057 |
| Base 8 | 23678 | 23778 |
| Base 9 | 16629 | 16719 |
| Base 10 | 127110 | 127910 |
| Base 11 | a5611 | a6311 |
| Base 12 | 89b12 | 8a712 |
| Base 13 | 76a13 | 77513 |
| Base 14 | 66b14 | 67514 |
| Base 15 | 59b15 | 5a415 |
| Base 16 | 4f716 | 4ff16 |