Compare 21879 vs 21890
| Property | 21879 | 21890 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 4 |
| Total factors | 5 | 4 |
| Prime factorization | 32 × 111 × 131 × 171 | 21 × 51 × 111 × 1991 |
| Prime factorization | 3 × 3 × 11 × 13 × 17 | 2 × 5 × 11 × 199 |
| Divisors count | 24 | 16 |
| Divisors | 1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 221, 429, 561, 663, 1287, 1683, 1989, 2431, 7293, 21879 | 1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 4378, 10945, 21890 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010101011101112 | 1010101100000102 |
| Base 3 | 10100001003 | 10100002023 |
| Base 4 | 111113134 | 111120024 |
| Base 5 | 12000045 | 12000305 |
| Base 6 | 2451436 | 2452026 |
| Base 7 | 1205347 | 1205517 |
| Base 8 | 525678 | 526028 |
| Base 9 | 330109 | 330229 |
| Base 10 | 2187910 | 2189010 |
| Base 11 | 1549011 | 154a011 |
| Base 12 | 107b312 | 1080212 |
| Base 13 | 9c6013 | 9c6b13 |
| Base 14 | 7d8b14 | 7d9814 |
| Base 15 | 673915 | 674515 |
| Base 16 | 557716 | 558216 |