Compare 21149 vs 21863
| Property | 21149 | 21863 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211491 | 218631 |
| Prime factorization | 21149 | 21863 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21149 | 1, 21863 |
| Number of properties | 11 | 7 |
| Additive primes | 1104th | |
| Chen primes | 1168th | 1203rd |
| Cousin primes (2nd member) | 373rd | |
| Happy primes | 394th | |
| Harmonic primes | 904th | |
| Isolated primes | 1658th | 1710th |
| Long primes | 904th | 929th |
| Primes | 2377th | 2453rd |
| Pythagorean primes | 1180th | |
| Sexy primes (2nd member) | 719th | |
| Sophie germain primes | 344th | |
| Super primes | 352nd | |
| Ulam primes | 178th | 183rd |
| Roman numberals | ||
| Base 2 | 1010010100111012 | 1010101011001112 |
| Base 3 | 10020000223 | 10022222023 |
| Base 4 | 110221314 | 111112134 |
| Base 5 | 11340445 | 11444235 |
| Base 6 | 2415256 | 2451156 |
| Base 7 | 1154427 | 1205127 |
| Base 8 | 512358 | 525478 |
| Base 9 | 320089 | 328829 |
| Base 10 | 2114910 | 2186310 |
| Base 11 | 1498711 | 1547611 |
| Base 12 | 102a512 | 1079b12 |
| Base 13 | 981b13 | 9c4a13 |
| Base 14 | 79c914 | 7d7914 |
| Base 15 | 63ee15 | 672815 |
| Base 16 | 529d16 | 556716 |