Compare 20809 vs 21107
| Property | 20809 | 21107 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208091 | 211071 |
| Prime factorization | 20809 | 21107 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20809 | 1, 21107 |
| Number of properties | 5 | 5 |
| Additive primes | 1091st | 1101st |
| Harmonic primes | 859th | 872nd |
| Isolated primes | 1654th | |
| Primes | 2344th | 2373rd |
| Pythagorean primes | 1165th | |
| Sexy primes (2nd member) | 718th | |
| Twin primes (2nd member) | 355th | |
| Roman numberals | ||
| Base 2 | 1010001010010012 | 1010010011100112 |
| Base 3 | 10011122013 | 10012212023 |
| Base 4 | 110110214 | 110213034 |
| Base 5 | 11312145 | 11334125 |
| Base 6 | 2402016 | 2414156 |
| Base 7 | 1144457 | 1153527 |
| Base 8 | 505118 | 511638 |
| Base 9 | 314819 | 318529 |
| Base 10 | 2080910 | 2110710 |
| Base 11 | 146a811 | 1494911 |
| Base 12 | 1006112 | 1026b12 |
| Base 13 | 961913 | 97b813 |
| Base 14 | 782514 | 799914 |
| Base 15 | 627415 | 63c215 |
| Base 16 | 514916 | 527316 |