Compare 28287 vs 28291
| Property | 28287 | 28291 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 32 × 71 × 4491 | 191 × 14891 |
| Prime factorization | 3 × 3 × 7 × 449 | 19 × 1489 |
| Divisors count | 12 | 4 |
| Divisors | 1, 3, 7, 9, 21, 63, 449, 1347, 3143, 4041, 9429, 28287 | 1, 19, 1489, 28291 |
| Number of properties | 0 | 1 |
| Semiprimes | 7053rd | |
| Roman numberals | ||
| Base 2 | 1101110011111112 | 1101110100000112 |
| Base 3 | 11022102003 | 11022102113 |
| Base 4 | 123213334 | 123220034 |
| Base 5 | 14011225 | 14011315 |
| Base 6 | 3345436 | 3345516 |
| Base 7 | 1453207 | 1453247 |
| Base 8 | 671778 | 672038 |
| Base 9 | 427209 | 427249 |
| Base 10 | 2828710 | 2829110 |
| Base 11 | 1a28611 | 1a28a11 |
| Base 12 | 1445312 | 1445712 |
| Base 13 | cb4c13 | cb5313 |
| Base 14 | a44714 | a44b14 |
| Base 15 | 85ac15 | 85b115 |
| Base 16 | 6e7f16 | 6e8316 |