Compare 28286 vs 28287
| Property | 28286 | 28287 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 21 × 141431 | 32 × 71 × 4491 |
| Prime factorization | 2 × 14143 | 3 × 3 × 7 × 449 |
| Divisors count | 4 | 12 |
| Divisors | 1, 2, 14143, 28286 | 1, 3, 7, 9, 21, 63, 449, 1347, 3143, 4041, 9429, 28287 |
| Number of properties | 1 | 0 |
| Semiprimes | 7052nd | |
| Roman numberals | ||
| Base 2 | 1101110011111102 | 1101110011111112 |
| Base 3 | 11022101223 | 11022102003 |
| Base 4 | 123213324 | 123213334 |
| Base 5 | 14011215 | 14011225 |
| Base 6 | 3345426 | 3345436 |
| Base 7 | 1453167 | 1453207 |
| Base 8 | 671768 | 671778 |
| Base 9 | 427189 | 427209 |
| Base 10 | 2828610 | 2828710 |
| Base 11 | 1a28511 | 1a28611 |
| Base 12 | 1445212 | 1445312 |
| Base 13 | cb4b13 | cb4c13 |
| Base 14 | a44614 | a44714 |
| Base 15 | 85ab15 | 85ac15 |
| Base 16 | 6e7e16 | 6e7f16 |