Compare 1212 vs 1215
| Property | 1212 | 1215 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 4 | 6 |
| Prime factorization | 22 × 31 × 1011 | 35 × 51 |
| Prime factorization | 2 × 2 × 3 × 101 | 3 × 3 × 3 × 3 × 3 × 5 |
| Divisors count | 12 | 12 |
| Divisors | 1, 2, 3, 4, 6, 12, 101, 202, 303, 404, 606, 1212 | 1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215 |
| Number of properties | 0 | 0 |
| Roman numberals | MCCXII | MCCXV |
| Base 2 | 100101111002 | 100101111112 |
| Base 3 | 11222203 | 12000003 |
| Base 4 | 1023304 | 1023334 |
| Base 5 | 143225 | 143305 |
| Base 6 | 53406 | 53436 |
| Base 7 | 33517 | 33547 |
| Base 8 | 22748 | 22778 |
| Base 9 | 15869 | 16009 |
| Base 10 | 121210 | 121510 |
| Base 11 | a0211 | a0511 |
| Base 12 | 85012 | 85312 |
| Base 13 | 72313 | 72613 |
| Base 14 | 62814 | 62b14 |
| Base 15 | 55c15 | 56015 |
| Base 16 | 4bc16 | 4bf16 |