Compare 1279 vs 1381
| Property | 1279 | 1381 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12791 | 13811 |
| Prime factorization | 1279 | 1381 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1279 | 1, 1381 |
| Number of properties | 7 | 7 |
| Additive primes | 112th | 122nd |
| Chen primes | 144th | |
| Cousin primes (1st member) | 46th | |
| Emirps | 60th | 64th |
| Isolated primes | 130th | |
| Long primes | 86th | |
| Primes | 207th | 221st |
| Prime triplets (2nd member) | 33rd | |
| Pythagorean primes | 109th | |
| Solinas primes | 53rd | |
| Twin primes (2nd member) | 43rd | |
| Roman numberals | MCCLXXIX | MCCCLXXXI |
| Base 2 | 100111111112 | 101011001012 |
| Base 3 | 12021013 | 12200113 |
| Base 4 | 1033334 | 1112114 |
| Base 5 | 201045 | 210115 |
| Base 6 | 55316 | 102216 |
| Base 7 | 35057 | 40127 |
| Base 8 | 23778 | 25458 |
| Base 9 | 16719 | 18049 |
| Base 10 | 127910 | 138110 |
| Base 11 | a6311 | 104611 |
| Base 12 | 8a712 | 97112 |
| Base 13 | 77513 | 82313 |
| Base 14 | 67514 | 70914 |
| Base 15 | 5a415 | 62115 |
| Base 16 | 4ff16 | 56516 |