Compare 1278 vs 1281
| Property | 1278 | 1281 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 4 | 3 |
| Prime factorization | 21 × 32 × 711 | 31 × 71 × 611 |
| Prime factorization | 2 × 3 × 3 × 71 | 3 × 7 × 61 |
| Divisors count | 12 | 8 |
| Divisors | 1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278 | 1, 3, 7, 21, 61, 183, 427, 1281 |
| Number of properties | 0 | 0 |
| Roman numberals | MCCLXXVIII | MCCLXXXI |
| Base 2 | 100111111102 | 101000000012 |
| Base 3 | 12021003 | 12021103 |
| Base 4 | 1033324 | 1100014 |
| Base 5 | 201035 | 201115 |
| Base 6 | 55306 | 55336 |
| Base 7 | 35047 | 35107 |
| Base 8 | 23768 | 24018 |
| Base 9 | 16709 | 16739 |
| Base 10 | 127810 | 128110 |
| Base 11 | a6211 | a6511 |
| Base 12 | 8a612 | 8a912 |
| Base 13 | 77413 | 77713 |
| Base 14 | 67414 | 67714 |
| Base 15 | 5a315 | 5a615 |
| Base 16 | 4fe16 | 50116 |