Compare 13987 vs 13989
| Property | 13987 | 13989 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 711 × 1971 | 31 × 46631 |
| Prime factorization | 71 × 197 | 3 × 4663 |
| Divisors count | 4 | 4 |
| Divisors | 1, 71, 197, 13987 | 1, 3, 4663, 13989 |
| Number of properties | 1 | 1 |
| Semiprimes | 3618th | 3619th |
| Roman numberals | ||
| Base 2 | 110110101000112 | 110110101001012 |
| Base 3 | 2010120013 | 2010120103 |
| Base 4 | 31222034 | 31222114 |
| Base 5 | 4214225 | 4214245 |
| Base 6 | 1444316 | 1444336 |
| Base 7 | 555317 | 555337 |
| Base 8 | 332438 | 332458 |
| Base 9 | 211619 | 211639 |
| Base 10 | 1398710 | 1398910 |
| Base 11 | a56611 | a56811 |
| Base 12 | 811712 | 811912 |
| Base 13 | 649c13 | 64a113 |
| Base 14 | 515114 | 515314 |
| Base 15 | 422715 | 422915 |
| Base 16 | 36a316 | 36a516 |