Compare 6447 vs 6449
| Property | 6447 | 6449 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 71 × 3071 | 64491 |
| Prime factorization | 3 × 7 × 307 | 6449 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 21, 307, 921, 2149, 6447 | 1, 6449 |
| Number of properties | 0 | 6 |
| Additive primes | 421st | |
| Chen primes | 458th | |
| Primes | 837th | |
| Pythagorean primes | 411th | |
| Sophie germain primes | 142nd | |
| Twin primes (1st member) | 150th | |
| Roman numberals | ||
| Base 2 | 11001001011112 | 11001001100012 |
| Base 3 | 222112103 | 222112123 |
| Base 4 | 12102334 | 12103014 |
| Base 5 | 2012425 | 2012445 |
| Base 6 | 455036 | 455056 |
| Base 7 | 245407 | 245427 |
| Base 8 | 144578 | 144618 |
| Base 9 | 87539 | 87559 |
| Base 10 | 644710 | 644910 |
| Base 11 | 493111 | 493311 |
| Base 12 | 389312 | 389512 |
| Base 13 | 2c1c13 | 2c2113 |
| Base 14 | 24c714 | 24c914 |
| Base 15 | 1d9c15 | 1d9e15 |
| Base 16 | 192f16 | 193116 |