Compare 549 vs 551
| Property | 549 | 551 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 32 × 611 | 191 × 291 |
| Prime factorization | 3 × 3 × 61 | 19 × 29 |
| Divisors count | 6 | 4 |
| Divisors | 1, 3, 9, 61, 183, 549 | 1, 19, 29, 551 |
| Number of properties | 0 | 1 |
| Semiprimes | 172nd | |
| Roman numberals | DXLIX | DLI |
| Base 2 | 10001001012 | 10001001112 |
| Base 3 | 2021003 | 2021023 |
| Base 4 | 202114 | 202134 |
| Base 5 | 41445 | 42015 |
| Base 6 | 23136 | 23156 |
| Base 7 | 14137 | 14157 |
| Base 8 | 10458 | 10478 |
| Base 9 | 6709 | 6729 |
| Base 10 | 54910 | 55110 |
| Base 11 | 45a11 | 46111 |
| Base 12 | 39912 | 39b12 |
| Base 13 | 33313 | 33513 |
| Base 14 | 2b314 | 2b514 |
| Base 15 | 26915 | 26b15 |
| Base 16 | 22516 | 22716 |