Compare 1284 vs 1287
| Property | 1284 | 1287 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 4 | 4 |
| Prime factorization | 22 × 31 × 1071 | 32 × 111 × 131 |
| Prime factorization | 2 × 2 × 3 × 107 | 3 × 3 × 11 × 13 |
| Divisors count | 12 | 12 |
| Divisors | 1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284 | 1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287 |
| Number of properties | 0 | 0 |
| Roman numberals | MCCLXXXIV | MCCLXXXVII |
| Base 2 | 101000001002 | 101000001112 |
| Base 3 | 12021203 | 12022003 |
| Base 4 | 1100104 | 1100134 |
| Base 5 | 201145 | 201225 |
| Base 6 | 55406 | 55436 |
| Base 7 | 35137 | 35167 |
| Base 8 | 24048 | 24078 |
| Base 9 | 16769 | 16809 |
| Base 10 | 128410 | 128710 |
| Base 11 | a6811 | a7011 |
| Base 12 | 8b012 | 8b312 |
| Base 13 | 77a13 | 78013 |
| Base 14 | 67a14 | 67d14 |
| Base 15 | 5a915 | 5ac15 |
| Base 16 | 50416 | 50716 |