Compare 6397 vs 6947
| Property | 6397 | 6947 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 63971 | 69471 |
| Prime factorization | 6397 | 6947 |
| Divisors count | 2 | 2 |
| Divisors | 1, 6397 | 1, 6947 |
| Number of properties | 5 | 6 |
| Chen primes | 485th | |
| Good primes | 139th | |
| Harmonic primes | 326th | |
| Isolated primes | 537th | |
| Left-truncatable primes | 117th | 123rd |
| Primes | 834th | 891st |
| Pythagorean primes | 409th | |
| Restricted left-truncatable primes | 8th | |
| Twin primes (1st member) | 161st | |
| Roman numberals | ||
| Base 2 | 11000111111012 | 11011001000112 |
| Base 3 | 222022213 | 1001120223 |
| Base 4 | 12033314 | 12302034 |
| Base 5 | 2010425 | 2102425 |
| Base 6 | 453416 | 520556 |
| Base 7 | 244367 | 261537 |
| Base 8 | 143758 | 154438 |
| Base 9 | 86879 | 104689 |
| Base 10 | 639710 | 694710 |
| Base 11 | 489611 | 524611 |
| Base 12 | 385112 | 402b12 |
| Base 13 | 2bb113 | 321513 |
| Base 14 | 248d14 | 276314 |
| Base 15 | 1d6715 | 20d215 |
| Base 16 | 18fd16 | 1b2316 |