Compare 1215 vs 1225
| Property | 1215 | 1225 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 2 |
| Total factors | 6 | 4 |
| Prime factorization | 35 × 51 | 52 × 72 |
| Prime factorization | 3 × 3 × 3 × 3 × 3 × 5 | 5 × 5 × 7 × 7 |
| Divisors count | 12 | 9 |
| Divisors | 1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215 | 1, 5, 7, 25, 35, 49, 175, 245, 1225 |
| Number of properties | 0 | 0 |
| Roman numberals | MCCXV | MCCXXV |
| Base 2 | 100101111112 | 100110010012 |
| Base 3 | 12000003 | 12001013 |
| Base 4 | 1023334 | 1030214 |
| Base 5 | 143305 | 144005 |
| Base 6 | 53436 | 54016 |
| Base 7 | 33547 | 34007 |
| Base 8 | 22778 | 23118 |
| Base 9 | 16009 | 16119 |
| Base 10 | 121510 | 122510 |
| Base 11 | a0511 | a1411 |
| Base 12 | 85312 | 86112 |
| Base 13 | 72613 | 73313 |
| Base 14 | 62b14 | 63714 |
| Base 15 | 56015 | 56a15 |
| Base 16 | 4bf16 | 4c916 |