Compare 547 vs 549
| Property | 547 | 549 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 3 |
| Prime factorization | 5471 | 32 × 611 |
| Prime factorization | 547 | 3 × 3 × 61 |
| Divisors count | 2 | 6 |
| Divisors | 1, 547 | 1, 3, 9, 61, 183, 549 |
| Number of properties | 8 | 0 |
| Centered heptagonal primes | 5th | |
| Cuban primes 1 | 9th | |
| Harmonic primes | 42nd | |
| Isolated primes | 52nd | |
| Left-truncatable primes | 35th | |
| Primes | 101st | |
| Sexy primes (2nd member) | 48th | |
| Super primes | 26th | |
| Roman numberals | DXLVII | DXLIX |
| Base 2 | 10001000112 | 10001001012 |
| Base 3 | 2020213 | 2021003 |
| Base 4 | 202034 | 202114 |
| Base 5 | 41425 | 41445 |
| Base 6 | 23116 | 23136 |
| Base 7 | 14117 | 14137 |
| Base 8 | 10438 | 10458 |
| Base 9 | 6679 | 6709 |
| Base 10 | 54710 | 54910 |
| Base 11 | 45811 | 45a11 |
| Base 12 | 39712 | 39912 |
| Base 13 | 33113 | 33313 |
| Base 14 | 2b114 | 2b314 |
| Base 15 | 26715 | 26915 |
| Base 16 | 22316 | 22516 |