Compare 6397 vs 6406
| Property | 6397 | 6406 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 63971 | 21 × 32031 |
| Prime factorization | 6397 | 2 × 3203 |
| Divisors count | 2 | 4 |
| Divisors | 1, 6397 | 1, 2, 3203, 6406 |
| Number of properties | 5 | 1 |
| Isolated primes | 537th | |
| Left-truncatable primes | 117th | |
| Primes | 834th | |
| Pythagorean primes | 409th | |
| Restricted left-truncatable primes | 8th | |
| Semiprimes | 1720th | |
| Roman numberals | ||
| Base 2 | 11000111111012 | 11001000001102 |
| Base 3 | 222022213 | 222100213 |
| Base 4 | 12033314 | 12100124 |
| Base 5 | 2010425 | 2011115 |
| Base 6 | 453416 | 453546 |
| Base 7 | 244367 | 244517 |
| Base 8 | 143758 | 144068 |
| Base 9 | 86879 | 87079 |
| Base 10 | 639710 | 640610 |
| Base 11 | 489611 | 48a411 |
| Base 12 | 385112 | 385a12 |
| Base 13 | 2bb113 | 2bba13 |
| Base 14 | 248d14 | 249814 |
| Base 15 | 1d6715 | 1d7115 |
| Base 16 | 18fd16 | 190616 |