Compare 547 vs 551
| Property | 547 | 551 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 5471 | 191 × 291 |
| Prime factorization | 547 | 19 × 29 |
| Divisors count | 2 | 4 |
| Divisors | 1, 547 | 1, 19, 29, 551 |
| Number of properties | 8 | 1 |
| Centered heptagonal primes | 5th | |
| Cuban primes 1 | 9th | |
| Harmonic primes | 42nd | |
| Isolated primes | 52nd | |
| Left-truncatable primes | 35th | |
| Primes | 101st | |
| Semiprimes | 172nd | |
| Sexy primes (2nd member) | 48th | |
| Super primes | 26th | |
| Roman numberals | DXLVII | DLI |
| Base 2 | 10001000112 | 10001001112 |
| Base 3 | 2020213 | 2021023 |
| Base 4 | 202034 | 202134 |
| Base 5 | 41425 | 42015 |
| Base 6 | 23116 | 23156 |
| Base 7 | 14117 | 14157 |
| Base 8 | 10438 | 10478 |
| Base 9 | 6679 | 6729 |
| Base 10 | 54710 | 55110 |
| Base 11 | 45811 | 46111 |
| Base 12 | 39712 | 39b12 |
| Base 13 | 33113 | 33513 |
| Base 14 | 2b114 | 2b514 |
| Base 15 | 26715 | 26b15 |
| Base 16 | 22316 | 22716 |