Compare 28279 vs 28286
| Property | 28279 | 28286 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 282791 | 21 × 141431 |
| Prime factorization | 28279 | 2 × 14143 |
| Divisors count | 2 | 4 |
| Divisors | 1, 28279 | 1, 2, 14143, 28286 |
| Number of properties | 5 | 1 |
| Cousin primes (1st member) | 449th | |
| Primes | 3079th | |
| Prime triplets (2nd member) | 220th | |
| Semiprimes | 7052nd | |
| Super primes | 440th | |
| Twin primes (2nd member) | 450th | |
| Roman numberals | ||
| Base 2 | 1101110011101112 | 1101110011111102 |
| Base 3 | 11022101013 | 11022101223 |
| Base 4 | 123213134 | 123213324 |
| Base 5 | 14011045 | 14011215 |
| Base 6 | 3345316 | 3345426 |
| Base 7 | 1453067 | 1453167 |
| Base 8 | 671678 | 671768 |
| Base 9 | 427119 | 427189 |
| Base 10 | 2827910 | 2828610 |
| Base 11 | 1a27911 | 1a28511 |
| Base 12 | 1444712 | 1445212 |
| Base 13 | cb4413 | cb4b13 |
| Base 14 | a43d14 | a44614 |
| Base 15 | 85a415 | 85ab15 |
| Base 16 | 6e7716 | 6e7e16 |