Compare 6421 vs 6673
| Property | 6421 | 6673 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 64211 | 66731 |
| Prime factorization | 6421 | 6673 |
| Divisors count | 2 | 2 |
| Divisors | 1, 6421 | 1, 6673 |
| Number of properties | 7 | 7 |
| Additive primes | 419th | |
| Chen primes | 456th | |
| Happy primes | 148th | |
| Harmonic primes | 301st | |
| Isolated primes | 538th | 555th |
| Left-truncatable primes | 120th | |
| Long primes | 330th | |
| Primes | 835th | 860th |
| Pythagorean primes | 410th | 424th |
| Sexy primes (1st member) | 302nd | 307th |
| Roman numberals | ||
| Base 2 | 11001000101012 | 11010000100012 |
| Base 3 | 222102113 | 1000110113 |
| Base 4 | 12101114 | 12201014 |
| Base 5 | 2011415 | 2031435 |
| Base 6 | 454216 | 505216 |
| Base 7 | 245027 | 253127 |
| Base 8 | 144258 | 150218 |
| Base 9 | 87249 | 101349 |
| Base 10 | 642110 | 667310 |
| Base 11 | 490811 | 501711 |
| Base 12 | 387112 | 3a4112 |
| Base 13 | 2bcc13 | 306413 |
| Base 14 | 24a914 | 260914 |
| Base 15 | 1d8115 | 1e9d15 |
| Base 16 | 191516 | 1a1116 |