Compare 1278 vs 1286
| Property | 1278 | 1286 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 32 × 711 | 21 × 6431 |
| Prime factorization | 2 × 3 × 3 × 71 | 2 × 643 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278 | 1, 2, 643, 1286 |
| Number of properties | 0 | 1 |
| Semiprimes | 379th | |
| Roman numberals | MCCLXXVIII | MCCLXXXVI |
| Base 2 | 100111111102 | 101000001102 |
| Base 3 | 12021003 | 12021223 |
| Base 4 | 1033324 | 1100124 |
| Base 5 | 201035 | 201215 |
| Base 6 | 55306 | 55426 |
| Base 7 | 35047 | 35157 |
| Base 8 | 23768 | 24068 |
| Base 9 | 16709 | 16789 |
| Base 10 | 127810 | 128610 |
| Base 11 | a6211 | a6a11 |
| Base 12 | 8a612 | 8b212 |
| Base 13 | 77413 | 77c13 |
| Base 14 | 67414 | 67c14 |
| Base 15 | 5a315 | 5ab15 |
| Base 16 | 4fe16 | 50616 |