Compare 20807 vs 21347
| Property | 20807 | 21347 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 208071 | 213471 |
| Prime factorization | 20807 | 21347 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20807 | 1, 21347 |
| Number of properties | 7 | 7 |
| Additive primes | 1090th | 1112th |
| Chen primes | 1154th | 1176th |
| Happy primes | 397th | |
| Harmonic primes | 858th | |
| Isolated primes | 1674th | |
| Long primes | 890th | |
| Primes | 2343rd | 2397th |
| Sexy primes (2nd member) | 727th | |
| Twin primes (1st member) | 355th | |
| Ulam primes | 174th | 182nd |
| Roman numberals | ||
| Base 2 | 1010001010001112 | 1010011011000112 |
| Base 3 | 10011121223 | 10020211223 |
| Base 4 | 110110134 | 110312034 |
| Base 5 | 11312125 | 11403425 |
| Base 6 | 2401556 | 2424556 |
| Base 7 | 1144437 | 1161447 |
| Base 8 | 505078 | 515438 |
| Base 9 | 314789 | 322489 |
| Base 10 | 2080710 | 2134710 |
| Base 11 | 146a611 | 1504711 |
| Base 12 | 1005b12 | 1042b12 |
| Base 13 | 961713 | 994113 |
| Base 14 | 782314 | 7acb14 |
| Base 15 | 627215 | 64d215 |
| Base 16 | 514716 | 536316 |