Compare 1278 vs 1279
| Property | 1278 | 1279 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 21 × 32 × 711 | 12791 |
| Prime factorization | 2 × 3 × 3 × 71 | 1279 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278 | 1, 1279 |
| Number of properties | 0 | 7 |
| Additive primes | 112th | |
| Cousin primes (1st member) | 46th | |
| Emirps | 60th | |
| Primes | 207th | |
| Prime triplets (2nd member) | 33rd | |
| Solinas primes | 53rd | |
| Twin primes (2nd member) | 43rd | |
| Roman numberals | MCCLXXVIII | MCCLXXIX |
| Base 2 | 100111111102 | 100111111112 |
| Base 3 | 12021003 | 12021013 |
| Base 4 | 1033324 | 1033334 |
| Base 5 | 201035 | 201045 |
| Base 6 | 55306 | 55316 |
| Base 7 | 35047 | 35057 |
| Base 8 | 23768 | 23778 |
| Base 9 | 16709 | 16719 |
| Base 10 | 127810 | 127910 |
| Base 11 | a6211 | a6311 |
| Base 12 | 8a612 | 8a712 |
| Base 13 | 77413 | 77513 |
| Base 14 | 67414 | 67514 |
| Base 15 | 5a315 | 5a415 |
| Base 16 | 4fe16 | 4ff16 |