Compare 6421 vs 6449
| Property | 6421 | 6449 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 64211 | 64491 |
| Prime factorization | 6421 | 6449 |
| Divisors count | 2 | 2 |
| Divisors | 1, 6421 | 1, 6449 |
| Number of properties | 7 | 6 |
| Additive primes | 419th | 421st |
| Chen primes | 456th | 458th |
| Harmonic primes | 301st | |
| Isolated primes | 538th | |
| Primes | 835th | 837th |
| Pythagorean primes | 410th | 411th |
| Sexy primes (1st member) | 302nd | |
| Sophie germain primes | 142nd | |
| Twin primes (1st member) | 150th | |
| Roman numberals | ||
| Base 2 | 11001000101012 | 11001001100012 |
| Base 3 | 222102113 | 222112123 |
| Base 4 | 12101114 | 12103014 |
| Base 5 | 2011415 | 2012445 |
| Base 6 | 454216 | 455056 |
| Base 7 | 245027 | 245427 |
| Base 8 | 144258 | 144618 |
| Base 9 | 87249 | 87559 |
| Base 10 | 642110 | 644910 |
| Base 11 | 490811 | 493311 |
| Base 12 | 387112 | 389512 |
| Base 13 | 2bcc13 | 2c2113 |
| Base 14 | 24a914 | 24c914 |
| Base 15 | 1d8115 | 1d9e15 |
| Base 16 | 191516 | 193116 |