Compare 6421 vs 6961
| Property | 6421 | 6961 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 64211 | 69611 |
| Prime factorization | 6421 | 6961 |
| Divisors count | 2 | 2 |
| Divisors | 1, 6421 | 1, 6961 |
| Number of properties | 7 | 4 |
| Additive primes | 419th | |
| Chen primes | 456th | |
| Harmonic primes | 301st | |
| Isolated primes | 538th | |
| Primes | 835th | 894th |
| Pythagorean primes | 410th | 440th |
| Sexy primes (1st member) | 302nd | 314th |
| Twin primes (2nd member) | 162nd | |
| Roman numberals | ||
| Base 2 | 11001000101012 | 11011001100012 |
| Base 3 | 222102113 | 1001122113 |
| Base 4 | 12101114 | 12303014 |
| Base 5 | 2011415 | 2103215 |
| Base 6 | 454216 | 521216 |
| Base 7 | 245027 | 262037 |
| Base 8 | 144258 | 154618 |
| Base 9 | 87249 | 104849 |
| Base 10 | 642110 | 696110 |
| Base 11 | 490811 | 525911 |
| Base 12 | 387112 | 404112 |
| Base 13 | 2bcc13 | 322613 |
| Base 14 | 24a914 | 277314 |
| Base 15 | 1d8115 | 20e115 |
| Base 16 | 191516 | 1b3116 |