Compare 1815 vs 1825
| Property | 1815 | 1825 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 4 | 3 |
| Prime factorization | 31 × 51 × 112 | 52 × 731 |
| Prime factorization | 3 × 5 × 11 × 11 | 5 × 5 × 73 |
| Divisors count | 12 | 6 |
| Divisors | 1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815 | 1, 5, 25, 73, 365, 1825 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCCCXV | MDCCCXXV |
| Base 2 | 111000101112 | 111001000012 |
| Base 3 | 21110203 | 21111213 |
| Base 4 | 1301134 | 1302014 |
| Base 5 | 242305 | 243005 |
| Base 6 | 122236 | 122416 |
| Base 7 | 52027 | 52157 |
| Base 8 | 34278 | 34418 |
| Base 9 | 24369 | 24479 |
| Base 10 | 181510 | 182510 |
| Base 11 | 140011 | 140a11 |
| Base 12 | 107312 | 108112 |
| Base 13 | a9813 | aa513 |
| Base 14 | 93914 | 94514 |
| Base 15 | 81015 | 81a15 |
| Base 16 | 71716 | 72116 |