Compare 6427 vs 6439
| Property | 6427 | 6439 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 64271 | 471 × 1371 |
| Prime factorization | 6427 | 47 × 137 |
| Divisors count | 2 | 4 |
| Divisors | 1, 6427 | 1, 47, 137, 6439 |
| Number of properties | 6 | 1 |
| Additive primes | 420th | |
| Chen primes | 457th | |
| Isolated primes | 539th | |
| Lucky primes | 158th | |
| Primes | 836th | |
| Semiprimes | 1731st | |
| Sexy primes (2nd member) | 302nd | |
| Roman numberals | ||
| Base 2 | 11001000110112 | 11001001001112 |
| Base 3 | 222110013 | 222111113 |
| Base 4 | 12101234 | 12102134 |
| Base 5 | 2012025 | 2012245 |
| Base 6 | 454316 | 454516 |
| Base 7 | 245117 | 245267 |
| Base 8 | 144338 | 144478 |
| Base 9 | 87319 | 87449 |
| Base 10 | 642710 | 643910 |
| Base 11 | 491311 | 492411 |
| Base 12 | 387712 | 388712 |
| Base 13 | 2c0513 | 2c1413 |
| Base 14 | 24b114 | 24bd14 |
| Base 15 | 1d8715 | 1d9415 |
| Base 16 | 191b16 | 192716 |