Compare 6407 vs 6439
| Property | 6407 | 6439 | 
|---|---|---|
| Type | semiprime | semiprime | 
| Unique factors | 2 | 2 | 
| Total factors | 2 | 2 | 
| Prime factorization | 431 × 1491 | 471 × 1371 | 
| Prime factorization | 43 × 149 | 47 × 137 | 
| Divisors count | 4 | 4 | 
| Divisors | 1, 43, 149, 6407 | 1, 47, 137, 6439 | 
| Number of properties | 1 | 1 | 
| Semiprimes | 1721st | 1731st | 
| Roman numberals | ||
| Base 2 | 11001000001112 | 11001001001112 | 
| Base 3 | 222100223 | 222111113 | 
| Base 4 | 12100134 | 12102134 | 
| Base 5 | 2011125 | 2012245 | 
| Base 6 | 453556 | 454516 | 
| Base 7 | 244527 | 245267 | 
| Base 8 | 144078 | 144478 | 
| Base 9 | 87089 | 87449 | 
| Base 10 | 640710 | 643910 | 
| Base 11 | 48a511 | 492411 | 
| Base 12 | 385b12 | 388712 | 
| Base 13 | 2bbb13 | 2c1413 | 
| Base 14 | 249914 | 24bd14 | 
| Base 15 | 1d7215 | 1d9415 | 
| Base 16 | 190716 | 192716 |