Compare 20879 vs 20881
| Property | 20879 | 20881 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 208791 | 71 × 191 × 1571 |
| Prime factorization | 20879 | 7 × 19 × 157 |
| Divisors count | 2 | 8 |
| Divisors | 1, 20879 | 1, 7, 19, 133, 157, 1099, 2983, 20881 |
| Number of properties | 4 | 0 |
| Isolated primes | 1639th | |
| Primes | 2348th | |
| Sexy primes (2nd member) | 712th | |
| Sophie germain primes | 338th | |
| Roman numberals | ||
| Base 2 | 1010001100011112 | 1010001100100012 |
| Base 3 | 10011220223 | 10011221013 |
| Base 4 | 110120334 | 110121014 |
| Base 5 | 11320045 | 11320115 |
| Base 6 | 2403556 | 2404016 |
| Base 7 | 1146057 | 1146107 |
| Base 8 | 506178 | 506218 |
| Base 9 | 315689 | 315719 |
| Base 10 | 2087910 | 2088110 |
| Base 11 | 1476111 | 1476311 |
| Base 12 | 100bb12 | 1010112 |
| Base 13 | 967113 | 967313 |
| Base 14 | 787514 | 787714 |
| Base 15 | 62be15 | 62c115 |
| Base 16 | 518f16 | 519116 |