Compare 1286 vs 1288
| Property | 1286 | 1288 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 5 |
| Prime factorization | 21 × 6431 | 23 × 71 × 231 |
| Prime factorization | 2 × 643 | 2 × 2 × 2 × 7 × 23 |
| Divisors count | 4 | 16 |
| Divisors | 1, 2, 643, 1286 | 1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288 |
| Number of properties | 1 | 0 |
| Semiprimes | 379th | |
| Roman numberals | MCCLXXXVI | MCCLXXXVIII |
| Base 2 | 101000001102 | 101000010002 |
| Base 3 | 12021223 | 12022013 |
| Base 4 | 1100124 | 1100204 |
| Base 5 | 201215 | 201235 |
| Base 6 | 55426 | 55446 |
| Base 7 | 35157 | 35207 |
| Base 8 | 24068 | 24108 |
| Base 9 | 16789 | 16819 |
| Base 10 | 128610 | 128810 |
| Base 11 | a6a11 | a7111 |
| Base 12 | 8b212 | 8b412 |
| Base 13 | 77c13 | 78113 |
| Base 14 | 67c14 | 68014 |
| Base 15 | 5ab15 | 5ad15 |
| Base 16 | 50616 | 50816 |