Compare 6541 vs 6551
| Property | 6541 | 6551 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 311 × 2111 | 65511 |
| Prime factorization | 31 × 211 | 6551 |
| Divisors count | 4 | 2 |
| Divisors | 1, 31, 211, 6541 | 1, 6551 |
| Number of properties | 1 | 9 |
| Additive primes | 423rd | |
| Chen primes | 462nd | |
| Cousin primes (2nd member) | 147th | |
| Good primes | 130th | |
| Harmonic primes | 306th | |
| Primes | 846th | |
| Prime triplets (2nd member) | 93rd | |
| Semiprimes | 1762nd | |
| Sophie germain primes | 145th | |
| Twin primes (1st member) | 151st | |
| Roman numberals | ||
| Base 2 | 11001100011012 | 11001100101112 |
| Base 3 | 222220213 | 222221223 |
| Base 4 | 12120314 | 12121134 |
| Base 5 | 2021315 | 2022015 |
| Base 6 | 501416 | 501556 |
| Base 7 | 250337 | 250467 |
| Base 8 | 146158 | 146278 |
| Base 9 | 88679 | 88789 |
| Base 10 | 654110 | 655110 |
| Base 11 | 4a0711 | 4a1611 |
| Base 12 | 395112 | 395b12 |
| Base 13 | 2c9213 | 2c9c13 |
| Base 14 | 255314 | 255d14 |
| Base 15 | 1e1115 | 1e1b15 |
| Base 16 | 198d16 | 199716 |