Compare 21559 vs 21560
| Property | 21559 | 21560 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 7 |
| Prime factorization | 215591 | 23 × 51 × 72 × 111 |
| Prime factorization | 21559 | 2 × 2 × 2 × 5 × 7 × 7 × 11 |
| Divisors count | 2 | 48 |
| Divisors | 1, 21559 | 1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 4312, 5390, 10780, 21560 |
| Number of properties | 5 | 0 |
| Chen primes | 1187th | |
| Cousin primes (1st member) | 369th | |
| Primes | 2419th | |
| Prime triplets (2nd member) | 184th | |
| Twin primes (2nd member) | 366th | |
| Roman numberals | ||
| Base 2 | 1010100001101112 | 1010100001110002 |
| Base 3 | 10021201113 | 10021201123 |
| Base 4 | 111003134 | 111003204 |
| Base 5 | 11422145 | 11422205 |
| Base 6 | 2434516 | 2434526 |
| Base 7 | 1165667 | 1166007 |
| Base 8 | 520678 | 520708 |
| Base 9 | 325149 | 325159 |
| Base 10 | 2155910 | 2156010 |
| Base 11 | 1521a11 | 1522011 |
| Base 12 | 1058712 | 1058812 |
| Base 13 | 9a7513 | 9a7613 |
| Base 14 | 7bdd14 | 7c0014 |
| Base 15 | 65c415 | 65c515 |
| Base 16 | 543716 | 543816 |