Compare 28287 vs 28289
| Property | 28287 | 28289 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 71 × 4491 | 282891 |
| Prime factorization | 3 × 3 × 7 × 449 | 28289 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 7, 9, 21, 63, 449, 1347, 3143, 4041, 9429, 28287 | 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 | 1101110011111112 | 1101110100000012 |
| Base 3 | 11022102003 | 11022102023 |
| Base 4 | 123213334 | 123220014 |
| Base 5 | 14011225 | 14011245 |
| Base 6 | 3345436 | 3345456 |
| Base 7 | 1453207 | 1453227 |
| Base 8 | 671778 | 672018 |
| Base 9 | 427209 | 427229 |
| Base 10 | 2828710 | 2828910 |
| Base 11 | 1a28611 | 1a28811 |
| Base 12 | 1445312 | 1445512 |
| Base 13 | cb4c13 | cb5113 |
| Base 14 | a44714 | a44914 |
| Base 15 | 85ac15 | 85ae15 |
| Base 16 | 6e7f16 | 6e8116 |