Compare 1215 vs 1226
| Property | 1215 | 1226 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 6 | 2 |
| Prime factorization | 35 × 51 | 21 × 6131 |
| Prime factorization | 3 × 3 × 3 × 3 × 3 × 5 | 2 × 613 |
| Divisors count | 12 | 4 |
| Divisors | 1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215 | 1, 2, 613, 1226 |
| Number of properties | 0 | 1 |
| Semiprimes | 361st | |
| Roman numberals | MCCXV | MCCXXVI |
| Base 2 | 100101111112 | 100110010102 |
| Base 3 | 12000003 | 12001023 |
| Base 4 | 1023334 | 1030224 |
| Base 5 | 143305 | 144015 |
| Base 6 | 53436 | 54026 |
| Base 7 | 33547 | 34017 |
| Base 8 | 22778 | 23128 |
| Base 9 | 16009 | 16129 |
| Base 10 | 121510 | 122610 |
| Base 11 | a0511 | a1511 |
| Base 12 | 85312 | 86212 |
| Base 13 | 72613 | 73413 |
| Base 14 | 62b14 | 63814 |
| Base 15 | 56015 | 56b15 |
| Base 16 | 4bf16 | 4ca16 |