Compare 8641 vs 8649
| Property | 8641 | 8649 | 
|---|---|---|
| Type | prime | composite number | 
| Unique factors | 1 | 2 | 
| Total factors | 1 | 4 | 
| Prime factorization | 86411 | 32 × 312 | 
| Prime factorization | 8641 | 3 × 3 × 31 × 31 | 
| Divisors count | 2 | 9 | 
| Divisors | 1, 8641 | 1, 3, 9, 31, 93, 279, 961, 2883, 8649 | 
| Number of properties | 7 | 0 | 
| Additive primes | 524th | |
| Harmonic primes | 394th | |
| Isolated primes | 707th | |
| Lucky primes | 193rd | |
| Primes | 1076th | |
| Pythagorean primes | 535th | |
| Sexy primes (1st member) | 364th | |
| Roman numberals | ||
| Base 2 | 100001110000012 | 100001110010012 | 
| Base 3 | 1022120013 | 1022121003 | 
| Base 4 | 20130014 | 20130214 | 
| Base 5 | 2340315 | 2340445 | 
| Base 6 | 1040016 | 1040136 | 
| Base 7 | 341237 | 341347 | 
| Base 8 | 207018 | 207118 | 
| Base 9 | 127619 | 127709 | 
| Base 10 | 864110 | 864910 | 
| Base 11 | 654611 | 655311 | 
| Base 12 | 500112 | 500912 | 
| Base 13 | 3c1913 | 3c2413 | 
| Base 14 | 321314 | 321b14 | 
| Base 15 | 286115 | 286915 | 
| Base 16 | 21c116 | 21c916 |