Compare 1215 vs 1218
| Property | 1215 | 1218 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 4 |
| Total factors | 6 | 4 |
| Prime factorization | 35 × 51 | 21 × 31 × 71 × 291 |
| Prime factorization | 3 × 3 × 3 × 3 × 3 × 5 | 2 × 3 × 7 × 29 |
| Divisors count | 12 | 16 |
| Divisors | 1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215 | 1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218 |
| Number of properties | 0 | 0 |
| Roman numberals | MCCXV | MCCXVIII |
| Base 2 | 100101111112 | 100110000102 |
| Base 3 | 12000003 | 12000103 |
| Base 4 | 1023334 | 1030024 |
| Base 5 | 143305 | 143335 |
| Base 6 | 53436 | 53506 |
| Base 7 | 33547 | 33607 |
| Base 8 | 22778 | 23028 |
| Base 9 | 16009 | 16039 |
| Base 10 | 121510 | 121810 |
| Base 11 | a0511 | a0811 |
| Base 12 | 85312 | 85612 |
| Base 13 | 72613 | 72913 |
| Base 14 | 62b14 | 63014 |
| Base 15 | 56015 | 56315 |
| Base 16 | 4bf16 | 4c216 |