Compare 6387 vs 6397
| Property | 6387 | 6397 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 21291 | 63971 |
| Prime factorization | 3 × 2129 | 6397 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 2129, 6387 | 1, 6397 |
| Number of properties | 1 | 5 |
| Isolated primes | 537th | |
| Left-truncatable primes | 117th | |
| Primes | 834th | |
| Pythagorean primes | 409th | |
| Restricted left-truncatable primes | 8th | |
| Semiprimes | 1715th | |
| Roman numberals | ||
| Base 2 | 11000111100112 | 11000111111012 |
| Base 3 | 222021203 | 222022213 |
| Base 4 | 12033034 | 12033314 |
| Base 5 | 2010225 | 2010425 |
| Base 6 | 453236 | 453416 |
| Base 7 | 244237 | 244367 |
| Base 8 | 143638 | 143758 |
| Base 9 | 86769 | 86879 |
| Base 10 | 638710 | 639710 |
| Base 11 | 488711 | 489611 |
| Base 12 | 384312 | 385112 |
| Base 13 | 2ba413 | 2bb113 |
| Base 14 | 248314 | 248d14 |
| Base 15 | 1d5c15 | 1d6715 |
| Base 16 | 18f316 | 18fd16 |