Compare 1281 vs 1284
| Property | 1281 | 1284 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 4 |
| Prime factorization | 31 × 71 × 611 | 22 × 31 × 1071 |
| Prime factorization | 3 × 7 × 61 | 2 × 2 × 3 × 107 |
| Divisors count | 8 | 12 |
| Divisors | 1, 3, 7, 21, 61, 183, 427, 1281 | 1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284 |
| Number of properties | 0 | 0 |
| Roman numberals | MCCLXXXI | MCCLXXXIV |
| Base 2 | 101000000012 | 101000001002 |
| Base 3 | 12021103 | 12021203 |
| Base 4 | 1100014 | 1100104 |
| Base 5 | 201115 | 201145 |
| Base 6 | 55336 | 55406 |
| Base 7 | 35107 | 35137 |
| Base 8 | 24018 | 24048 |
| Base 9 | 16739 | 16769 |
| Base 10 | 128110 | 128410 |
| Base 11 | a6511 | a6811 |
| Base 12 | 8a912 | 8b012 |
| Base 13 | 77713 | 77a13 |
| Base 14 | 67714 | 67a14 |
| Base 15 | 5a615 | 5a915 |
| Base 16 | 50116 | 50416 |