Compare 6543 vs 6547
| Property | 6543 | 6547 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 32 × 7271 | 65471 |
| Prime factorization | 3 × 3 × 727 | 6547 |
| Divisors count | 6 | 2 |
| Divisors | 1, 3, 9, 727, 2181, 6543 | 1, 6547 |
| Number of properties | 0 | 8 |
| Cousin primes (1st member) | 147th | |
| Good primes | 129th | |
| Harmonic primes | 305th | |
| Isolated primes | 546th | |
| Left-truncatable primes | 118th | |
| Primes | 845th | |
| Prime triplets (1st member) | 93rd | |
| Sexy primes (1st member) | 303rd | |
| Roman numberals | ||
| Base 2 | 11001100011112 | 11001100100112 |
| Base 3 | 222221003 | 222221113 |
| Base 4 | 12120334 | 12121034 |
| Base 5 | 2021335 | 2021425 |
| Base 6 | 501436 | 501516 |
| Base 7 | 250357 | 250427 |
| Base 8 | 146178 | 146238 |
| Base 9 | 88709 | 88749 |
| Base 10 | 654310 | 654710 |
| Base 11 | 4a0911 | 4a1211 |
| Base 12 | 395312 | 395712 |
| Base 13 | 2c9413 | 2c9813 |
| Base 14 | 255514 | 255914 |
| Base 15 | 1e1315 | 1e1715 |
| Base 16 | 198f16 | 199316 |