Compare 6221 vs 6421
| Property | 6221 | 6421 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 62211 | 64211 |
| Prime factorization | 6221 | 6421 |
| Divisors count | 2 | 2 |
| Divisors | 1, 6221 | 1, 6421 |
| Number of properties | 6 | 7 |
| Additive primes | 407th | 419th |
| Chen primes | 456th | |
| Cousin primes (2nd member) | 145th | |
| Harmonic primes | 301st | |
| Isolated primes | 519th | 538th |
| Long primes | 312th | |
| Primes | 810th | 835th |
| Pythagorean primes | 396th | 410th |
| Sexy primes (1st member) | 302nd | |
| Roman numberals | ||
| Base 2 | 11000010011012 | 11001000101012 |
| Base 3 | 221121023 | 222102113 |
| Base 4 | 12010314 | 12101114 |
| Base 5 | 1443415 | 2011415 |
| Base 6 | 444456 | 454216 |
| Base 7 | 240657 | 245027 |
| Base 8 | 141158 | 144258 |
| Base 9 | 84729 | 87249 |
| Base 10 | 622110 | 642110 |
| Base 11 | 474611 | 490811 |
| Base 12 | 372512 | 387112 |
| Base 13 | 2aa713 | 2bcc13 |
| Base 14 | 23a514 | 24a914 |
| Base 15 | 1c9b15 | 1d8115 |
| Base 16 | 184d16 | 191516 |