Compare 28142 vs 28147
| Property | 28142 | 28147 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 140711 | 71 × 40211 |
| Prime factorization | 2 × 14071 | 7 × 4021 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 14071, 28142 | 1, 7, 4021, 28147 |
| Number of properties | 1 | 1 |
| Semiprimes | 7017th | 7018th |
| Roman numberals | ||
| Base 2 | 1101101111011102 | 1101101111100112 |
| Base 3 | 11021210223 | 11021211113 |
| Base 4 | 123132324 | 123133034 |
| Base 5 | 14000325 | 14000425 |
| Base 6 | 3341426 | 3341516 |
| Base 7 | 1450227 | 1450307 |
| Base 8 | 667568 | 667638 |
| Base 9 | 425389 | 425449 |
| Base 10 | 2814210 | 2814710 |
| Base 11 | 1a16411 | 1a16911 |
| Base 12 | 1435212 | 1435712 |
| Base 13 | ca6a13 | ca7213 |
| Base 14 | a38214 | a38714 |
| Base 15 | 851215 | 851715 |
| Base 16 | 6dee16 | 6df316 |