Compare 1275 vs 1285
| Property | 1275 | 1285 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 31 × 52 × 171 | 51 × 2571 |
| Prime factorization | 3 × 5 × 5 × 17 | 5 × 257 |
| Divisors count | 12 | 4 |
| Divisors | 1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275 | 1, 5, 257, 1285 |
| Number of properties | 0 | 1 |
| Semiprimes | 378th | |
| Roman numberals | MCCLXXV | MCCLXXXV |
| Base 2 | 100111110112 | 101000001012 |
| Base 3 | 12020203 | 12021213 |
| Base 4 | 1033234 | 1100114 |
| Base 5 | 201005 | 201205 |
| Base 6 | 55236 | 55416 |
| Base 7 | 35017 | 35147 |
| Base 8 | 23738 | 24058 |
| Base 9 | 16669 | 16779 |
| Base 10 | 127510 | 128510 |
| Base 11 | a5a11 | a6911 |
| Base 12 | 8a312 | 8b112 |
| Base 13 | 77113 | 77b13 |
| Base 14 | 67114 | 67b14 |
| Base 15 | 5a015 | 5aa15 |
| Base 16 | 4fb16 | 50516 |