Compare 20807 vs 21191
| Property | 20807 | 21191 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208071 | 211911 |
| Prime factorization | 20807 | 21191 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20807 | 1, 21191 |
| Number of properties | 7 | 7 |
| Additive primes | 1090th | |
| Chen primes | 1154th | 1171st |
| Cousin primes (2nd member) | 361st | |
| Harmonic primes | 858th | |
| Long primes | 890th | |
| Primes | 2343rd | 2383rd |
| Prime triplets (2nd member) | 178th | |
| Super primes | 354th | |
| Twin primes (1st member) | 355th | 361st |
| Ulam primes | 174th | 179th |
| Roman numberals | ||
| Base 2 | 1010001010001112 | 1010010110001112 |
| Base 3 | 10011121223 | 10020012123 |
| Base 4 | 110110134 | 110230134 |
| Base 5 | 11312125 | 11342315 |
| Base 6 | 2401556 | 2420356 |
| Base 7 | 1144437 | 1155327 |
| Base 8 | 505078 | 513078 |
| Base 9 | 314789 | 320559 |
| Base 10 | 2080710 | 2119110 |
| Base 11 | 146a611 | 14a1511 |
| Base 12 | 1005b12 | 1031b12 |
| Base 13 | 961713 | 985113 |
| Base 14 | 782314 | 7a1914 |
| Base 15 | 627215 | 642b15 |
| Base 16 | 514716 | 52c716 |