Compare 1278 vs 1287
| Property | 1278 | 1287 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 4 | 4 |
| Prime factorization | 21 × 32 × 711 | 32 × 111 × 131 |
| Prime factorization | 2 × 3 × 3 × 71 | 3 × 3 × 11 × 13 |
| Divisors count | 12 | 12 |
| Divisors | 1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278 | 1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287 |
| Number of properties | 0 | 0 |
| Roman numberals | MCCLXXVIII | MCCLXXXVII |
| Base 2 | 100111111102 | 101000001112 |
| Base 3 | 12021003 | 12022003 |
| Base 4 | 1033324 | 1100134 |
| Base 5 | 201035 | 201225 |
| Base 6 | 55306 | 55436 |
| Base 7 | 35047 | 35167 |
| Base 8 | 23768 | 24078 |
| Base 9 | 16709 | 16809 |
| Base 10 | 127810 | 128710 |
| Base 11 | a6211 | a7011 |
| Base 12 | 8a612 | 8b312 |
| Base 13 | 77413 | 78013 |
| Base 14 | 67414 | 67d14 |
| Base 15 | 5a315 | 5ac15 |
| Base 16 | 4fe16 | 50716 |