Compare 1215 vs 1219
| Property | 1215 | 1219 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 6 | 2 |
| Prime factorization | 35 × 51 | 231 × 531 |
| Prime factorization | 3 × 3 × 3 × 3 × 3 × 5 | 23 × 53 |
| Divisors count | 12 | 4 |
| Divisors | 1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215 | 1, 23, 53, 1219 |
| Number of properties | 0 | 1 |
| Semiprimes | 360th | |
| Roman numberals | MCCXV | MCCXIX |
| Base 2 | 100101111112 | 100110000112 |
| Base 3 | 12000003 | 12000113 |
| Base 4 | 1023334 | 1030034 |
| Base 5 | 143305 | 143345 |
| Base 6 | 53436 | 53516 |
| Base 7 | 33547 | 33617 |
| Base 8 | 22778 | 23038 |
| Base 9 | 16009 | 16049 |
| Base 10 | 121510 | 121910 |
| Base 11 | a0511 | a0911 |
| Base 12 | 85312 | 85712 |
| Base 13 | 72613 | 72a13 |
| Base 14 | 62b14 | 63114 |
| Base 15 | 56015 | 56415 |
| Base 16 | 4bf16 | 4c316 |