Compare 21799 vs 21805
| Property | 21799 | 21805 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 4 |
| Prime factorization | 217991 | 51 × 72 × 891 |
| Prime factorization | 21799 | 5 × 7 × 7 × 89 |
| Divisors count | 2 | 12 |
| Divisors | 1, 21799 | 1, 5, 7, 35, 49, 89, 245, 445, 623, 3115, 4361, 21805 |
| Number of properties | 3 | 0 |
| Cousin primes (1st member) | 371st | |
| Isolated primes | 1704th | |
| Primes | 2445th | |
| Roman numberals | ||
| Base 2 | 1010101001001112 | 1010101001011012 |
| Base 3 | 10022201013 | 10022201213 |
| Base 4 | 111102134 | 111102314 |
| Base 5 | 11441445 | 11442105 |
| Base 6 | 2445316 | 2445416 |
| Base 7 | 1203617 | 1204007 |
| Base 8 | 524478 | 524558 |
| Base 9 | 328119 | 328179 |
| Base 10 | 2179910 | 2180510 |
| Base 11 | 1541811 | 1542311 |
| Base 12 | 1074712 | 1075112 |
| Base 13 | 9bcb13 | 9c0413 |
| Base 14 | 7d3114 | 7d3714 |
| Base 15 | 66d415 | 66da15 |
| Base 16 | 552716 | 552d16 |