Compare 1275 vs 1280
| Property | 1275 | 1280 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 4 | 9 |
| Prime factorization | 31 × 52 × 171 | 28 × 51 |
| Prime factorization | 3 × 5 × 5 × 17 | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 |
| Divisors count | 12 | 18 |
| Divisors | 1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275 | 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280 |
| Number of properties | 0 | 0 |
| Roman numberals | MCCLXXV | MCCLXXX |
| Base 2 | 100111110112 | 101000000002 |
| Base 3 | 12020203 | 12021023 |
| Base 4 | 1033234 | 1100004 |
| Base 5 | 201005 | 201105 |
| Base 6 | 55236 | 55326 |
| Base 7 | 35017 | 35067 |
| Base 8 | 23738 | 24008 |
| Base 9 | 16669 | 16729 |
| Base 10 | 127510 | 128010 |
| Base 11 | a5a11 | a6411 |
| Base 12 | 8a312 | 8a812 |
| Base 13 | 77113 | 77613 |
| Base 14 | 67114 | 67614 |
| Base 15 | 5a015 | 5a515 |
| Base 16 | 4fb16 | 50016 |