Compare 20939 vs 21863
| Property | 20939 | 21863 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 209391 | 218631 |
| Prime factorization | 20939 | 21863 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20939 | 1, 21863 |
| Number of properties | 7 | 7 |
| Additive primes | 1093rd | |
| Chen primes | 1159th | 1203rd |
| Cousin primes (2nd member) | 373rd | |
| Harmonic primes | 904th | |
| Isolated primes | 1644th | 1710th |
| Long primes | 895th | 929th |
| Primes | 2355th | 2453rd |
| Sophie germain primes | 340th | |
| Ulam primes | 176th | 183rd |
| Roman numberals | ||
| Base 2 | 1010001110010112 | 1010101011001112 |
| Base 3 | 10012011123 | 10022222023 |
| Base 4 | 110130234 | 111112134 |
| Base 5 | 11322245 | 11444235 |
| Base 6 | 2405356 | 2451156 |
| Base 7 | 1150227 | 1205127 |
| Base 8 | 507138 | 525478 |
| Base 9 | 316459 | 328829 |
| Base 10 | 2093910 | 2186310 |
| Base 11 | 1480611 | 1547611 |
| Base 12 | 1014b12 | 1079b12 |
| Base 13 | 96b913 | 9c4a13 |
| Base 14 | 78b914 | 7d7914 |
| Base 15 | 630e15 | 672815 |
| Base 16 | 51cb16 | 556716 |