Compare 28279 vs 28285
| Property | 28279 | 28285 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 282791 | 51 × 56571 |
| Prime factorization | 28279 | 5 × 5657 |
| Divisors count | 2 | 4 |
| Divisors | 1, 28279 | 1, 5, 5657, 28285 |
| Number of properties | 5 | 1 |
| Cousin primes (1st member) | 449th | |
| Primes | 3079th | |
| Prime triplets (2nd member) | 220th | |
| Semiprimes | 7051st | |
| Super primes | 440th | |
| Twin primes (2nd member) | 450th | |
| Roman numberals | ||
| Base 2 | 1101110011101112 | 1101110011111012 |
| Base 3 | 11022101013 | 11022101213 |
| Base 4 | 123213134 | 123213314 |
| Base 5 | 14011045 | 14011205 |
| Base 6 | 3345316 | 3345416 |
| Base 7 | 1453067 | 1453157 |
| Base 8 | 671678 | 671758 |
| Base 9 | 427119 | 427179 |
| Base 10 | 2827910 | 2828510 |
| Base 11 | 1a27911 | 1a28411 |
| Base 12 | 1444712 | 1445112 |
| Base 13 | cb4413 | cb4a13 |
| Base 14 | a43d14 | a44514 |
| Base 15 | 85a415 | 85aa15 |
| Base 16 | 6e7716 | 6e7d16 |