Compare 28103 vs 28111
| Property | 28103 | 28111 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 1571 × 1791 | 281111 |
| Prime factorization | 157 × 179 | 28111 |
| Divisors count | 4 | 2 |
| Divisors | 1, 157, 179, 28103 | 1, 28111 |
| Number of properties | 1 | 5 |
| Additive primes | 1404th | |
| Chen primes | 1491st | |
| Harmonic primes | 1144th | |
| Primes | 3068th | |
| Semiprimes | 7005th | |
| Twin primes (2nd member) | 448th | |
| Roman numberals | ||
| Base 2 | 1101101110001112 | 1101101110011112 |
| Base 3 | 11021122123 | 11021200113 |
| Base 4 | 123130134 | 123130334 |
| Base 5 | 13444035 | 13444215 |
| Base 6 | 3340356 | 3340516 |
| Base 7 | 1446357 | 1446467 |
| Base 8 | 667078 | 667178 |
| Base 9 | 424859 | 425049 |
| Base 10 | 2810310 | 2811110 |
| Base 11 | 1a12911 | 1a13611 |
| Base 12 | 1431b12 | 1432712 |
| Base 13 | ca3a13 | ca4513 |
| Base 14 | a35514 | a35d14 |
| Base 15 | 84d815 | 84e115 |
| Base 16 | 6dc716 | 6dcf16 |