Compare 20807 vs 20897
| Property | 20807 | 20897 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208071 | 208971 |
| Prime factorization | 20807 | 20897 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20807 | 1, 20897 |
| Number of properties | 7 | 9 |
| Additive primes | 1090th | |
| Chen primes | 1154th | 1156th |
| Good primes | 264th | |
| Harmonic primes | 858th | 861st |
| Long primes | 890th | 893rd |
| Primes | 2343rd | 2350th |
| Prime triplets (1st member) | 174th | |
| Pythagorean primes | 1169th | |
| Sexy primes (1st member) | 713th | |
| Twin primes (1st member) | 355th | 356th |
| Ulam primes | 174th | |
| Roman numberals | ||
| Base 2 | 1010001010001112 | 1010001101000012 |
| Base 3 | 10011121223 | 10011222223 |
| Base 4 | 110110134 | 110122014 |
| Base 5 | 11312125 | 11320425 |
| Base 6 | 2401556 | 2404256 |
| Base 7 | 1144437 | 1146327 |
| Base 8 | 505078 | 506418 |
| Base 9 | 314789 | 315889 |
| Base 10 | 2080710 | 2089710 |
| Base 11 | 146a611 | 1477811 |
| Base 12 | 1005b12 | 1011512 |
| Base 13 | 961713 | 968613 |
| Base 14 | 782314 | 788914 |
| Base 15 | 627215 | 62d215 |
| Base 16 | 514716 | 51a116 |