Compare 28091 vs 28099
| Property | 28091 | 28099 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 40131 | 280991 |
| Prime factorization | 7 × 4013 | 28099 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 4013, 28091 | 1, 28099 |
| Number of properties | 1 | 3 |
| Happy primes | 494th | |
| Primes | 3066th | |
| Semiprimes | 7002nd | |
| Twin primes (2nd member) | 447th | |
| Roman numberals | ||
| Base 2 | 1101101101110112 | 1101101110000112 |
| Base 3 | 11021121023 | 11021122013 |
| Base 4 | 123123234 | 123130034 |
| Base 5 | 13443315 | 13443445 |
| Base 6 | 3340156 | 3340316 |
| Base 7 | 1446207 | 1446317 |
| Base 8 | 666738 | 667038 |
| Base 9 | 424729 | 424819 |
| Base 10 | 2809110 | 2809910 |
| Base 11 | 1a11811 | 1a12511 |
| Base 12 | 1430b12 | 1431712 |
| Base 13 | ca2b13 | ca3613 |
| Base 14 | a34714 | a35114 |
| Base 15 | 84cb15 | 84d415 |
| Base 16 | 6dbb16 | 6dc316 |