Compare 6391 vs 6401
| Property | 6391 | 6401 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 71 × 111 × 831 | 371 × 1731 |
| Prime factorization | 7 × 11 × 83 | 37 × 173 |
| Divisors count | 8 | 4 |
| Divisors | 1, 7, 11, 77, 83, 581, 913, 6391 | 1, 37, 173, 6401 |
| Number of properties | 0 | 1 |
| Semiprimes | 1718th | |
| Roman numberals | ||
| Base 2 | 11000111101112 | 11001000000012 |
| Base 3 | 222022013 | 222100023 |
| Base 4 | 12033134 | 12100014 |
| Base 5 | 2010315 | 2011015 |
| Base 6 | 453316 | 453456 |
| Base 7 | 244307 | 244437 |
| Base 8 | 143678 | 144018 |
| Base 9 | 86819 | 87029 |
| Base 10 | 639110 | 640110 |
| Base 11 | 489011 | 489a11 |
| Base 12 | 384712 | 385512 |
| Base 13 | 2ba813 | 2bb513 |
| Base 14 | 248714 | 249314 |
| Base 15 | 1d6115 | 1d6b15 |
| Base 16 | 18f716 | 190116 |