Compare 20881 vs 20887
| Property | 20881 | 20887 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 71 × 191 × 1571 | 208871 |
| Prime factorization | 7 × 19 × 157 | 20887 |
| Divisors count | 8 | 2 |
| Divisors | 1, 7, 19, 133, 157, 1099, 2983, 20881 | 1, 20887 |
| Number of properties | 0 | 3 |
| Isolated primes | 1640th | |
| Lucky primes | 381st | |
| Primes | 2349th | |
| Roman numberals | ||
| Base 2 | 1010001100100012 | 1010001100101112 |
| Base 3 | 10011221013 | 10011221213 |
| Base 4 | 110121014 | 110121134 |
| Base 5 | 11320115 | 11320225 |
| Base 6 | 2404016 | 2404116 |
| Base 7 | 1146107 | 1146167 |
| Base 8 | 506218 | 506278 |
| Base 9 | 315719 | 315779 |
| Base 10 | 2088110 | 2088710 |
| Base 11 | 1476311 | 1476911 |
| Base 12 | 1010112 | 1010712 |
| Base 13 | 967313 | 967913 |
| Base 14 | 787714 | 787d14 |
| Base 15 | 62c115 | 62c715 |
| Base 16 | 519116 | 519716 |