Compare 6419 vs 6421
| Property | 6419 | 6421 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 72 × 1311 | 64211 |
| Prime factorization | 7 × 7 × 131 | 6421 |
| Divisors count | 6 | 2 |
| Divisors | 1, 7, 49, 131, 917, 6419 | 1, 6421 |
| Number of properties | 0 | 7 |
| Additive primes | 419th | |
| Chen primes | 456th | |
| Harmonic primes | 301st | |
| Isolated primes | 538th | |
| Primes | 835th | |
| Pythagorean primes | 410th | |
| Sexy primes (1st member) | 302nd | |
| Roman numberals | ||
| Base 2 | 11001000100112 | 11001000101012 |
| Base 3 | 222102023 | 222102113 |
| Base 4 | 12101034 | 12101114 |
| Base 5 | 2011345 | 2011415 |
| Base 6 | 454156 | 454216 |
| Base 7 | 245007 | 245027 |
| Base 8 | 144238 | 144258 |
| Base 9 | 87229 | 87249 |
| Base 10 | 641910 | 642110 |
| Base 11 | 490611 | 490811 |
| Base 12 | 386b12 | 387112 |
| Base 13 | 2bca13 | 2bcc13 |
| Base 14 | 24a714 | 24a914 |
| Base 15 | 1d7e15 | 1d8115 |
| Base 16 | 191316 | 191516 |