Compare 28281 vs 28289
| Property | 28281 | 28289 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 111 × 8571 | 282891 |
| Prime factorization | 3 × 11 × 857 | 28289 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 11, 33, 857, 2571, 9427, 28281 | 1, 28289 |
| Number of properties | 0 | 7 |
| Additive primes | 1409th | |
| Chen primes | 1497th | |
| Isolated primes | 2182nd | |
| Primes | 3081st | |
| Pythagorean primes | 1533rd | |
| Sexy primes (2nd member) | 907th | |
| Sexy prime triplets (3rd member) | 236th | |
| Roman numberals | ||
| Base 2 | 1101110011110012 | 1101110100000012 |
| Base 3 | 11022101103 | 11022102023 |
| Base 4 | 123213214 | 123220014 |
| Base 5 | 14011115 | 14011245 |
| Base 6 | 3345336 | 3345456 |
| Base 7 | 1453117 | 1453227 |
| Base 8 | 671718 | 672018 |
| Base 9 | 427139 | 427229 |
| Base 10 | 2828110 | 2828910 |
| Base 11 | 1a28011 | 1a28811 |
| Base 12 | 1444912 | 1445512 |
| Base 13 | cb4613 | cb5113 |
| Base 14 | a44114 | a44914 |
| Base 15 | 85a615 | 85ae15 |
| Base 16 | 6e7916 | 6e8116 |