Compare 6397 vs 6421
| Property | 6397 | 6421 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 63971 | 64211 |
| Prime factorization | 6397 | 6421 |
| Divisors count | 2 | 2 |
| Divisors | 1, 6397 | 1, 6421 |
| Number of properties | 5 | 7 |
| Additive primes | 419th | |
| Chen primes | 456th | |
| Harmonic primes | 301st | |
| Isolated primes | 537th | 538th |
| Left-truncatable primes | 117th | |
| Primes | 834th | 835th |
| Pythagorean primes | 409th | 410th |
| Restricted left-truncatable primes | 8th | |
| Sexy primes (1st member) | 302nd | |
| Roman numberals | ||
| Base 2 | 11000111111012 | 11001000101012 |
| Base 3 | 222022213 | 222102113 |
| Base 4 | 12033314 | 12101114 |
| Base 5 | 2010425 | 2011415 |
| Base 6 | 453416 | 454216 |
| Base 7 | 244367 | 245027 |
| Base 8 | 143758 | 144258 |
| Base 9 | 86879 | 87249 |
| Base 10 | 639710 | 642110 |
| Base 11 | 489611 | 490811 |
| Base 12 | 385112 | 387112 |
| Base 13 | 2bb113 | 2bcc13 |
| Base 14 | 248d14 | 24a914 |
| Base 15 | 1d6715 | 1d8115 |
| Base 16 | 18fd16 | 191516 |