Compare 6438 vs 6449
| Property | 6438 | 6449 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 21 × 31 × 291 × 371 | 64491 |
| Prime factorization | 2 × 3 × 29 × 37 | 6449 |
| Divisors count | 16 | 2 |
| Divisors | 1, 2, 3, 6, 29, 37, 58, 74, 87, 111, 174, 222, 1073, 2146, 3219, 6438 | 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 | 11001001001102 | 11001001100012 |
| Base 3 | 222111103 | 222112123 |
| Base 4 | 12102124 | 12103014 |
| Base 5 | 2012235 | 2012445 |
| Base 6 | 454506 | 455056 |
| Base 7 | 245257 | 245427 |
| Base 8 | 144468 | 144618 |
| Base 9 | 87439 | 87559 |
| Base 10 | 643810 | 644910 |
| Base 11 | 492311 | 493311 |
| Base 12 | 388612 | 389512 |
| Base 13 | 2c1313 | 2c2113 |
| Base 14 | 24bc14 | 24c914 |
| Base 15 | 1d9315 | 1d9e15 |
| Base 16 | 192616 | 193116 |