Compare 20879 vs 21149
| Property | 20879 | 21149 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208791 | 211491 |
| Prime factorization | 20879 | 21149 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20879 | 1, 21149 |
| Number of properties | 4 | 11 |
| Additive primes | 1104th | |
| Chen primes | 1168th | |
| Happy primes | 394th | |
| Isolated primes | 1639th | 1658th |
| Long primes | 904th | |
| Primes | 2348th | 2377th |
| Pythagorean primes | 1180th | |
| Sexy primes (2nd member) | 712th | 719th |
| Sophie germain primes | 338th | 344th |
| Super primes | 352nd | |
| Ulam primes | 178th | |
| Roman numberals | ||
| Base 2 | 1010001100011112 | 1010010100111012 |
| Base 3 | 10011220223 | 10020000223 |
| Base 4 | 110120334 | 110221314 |
| Base 5 | 11320045 | 11340445 |
| Base 6 | 2403556 | 2415256 |
| Base 7 | 1146057 | 1154427 |
| Base 8 | 506178 | 512358 |
| Base 9 | 315689 | 320089 |
| Base 10 | 2087910 | 2114910 |
| Base 11 | 1476111 | 1498711 |
| Base 12 | 100bb12 | 102a512 |
| Base 13 | 967113 | 981b13 |
| Base 14 | 787514 | 79c914 |
| Base 15 | 62be15 | 63ee15 |
| Base 16 | 518f16 | 529d16 |