Compare 20663 vs 20807
| Property | 20663 | 20807 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206631 | 208071 |
| Prime factorization | 20663 | 20807 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20663 | 1, 20807 |
| Number of properties | 7 | 7 |
| Additive primes | 1081st | 1090th |
| Chen primes | 1144th | 1154th |
| Harmonic primes | 850th | 858th |
| Isolated primes | 1627th | |
| Long primes | 886th | 890th |
| Primes | 2328th | 2343rd |
| Safe primes | 197th | |
| Twin primes (1st member) | 355th | |
| Ulam primes | 174th | |
| Roman numberals | ||
| Base 2 | 1010000101101112 | 1010001010001112 |
| Base 3 | 10011000223 | 10011121223 |
| Base 4 | 110023134 | 110110134 |
| Base 5 | 11301235 | 11312125 |
| Base 6 | 2353556 | 2401556 |
| Base 7 | 1141467 | 1144437 |
| Base 8 | 502678 | 505078 |
| Base 9 | 313089 | 314789 |
| Base 10 | 2066310 | 2080710 |
| Base 11 | 1458511 | 146a611 |
| Base 12 | bb5b12 | 1005b12 |
| Base 13 | 953613 | 961713 |
| Base 14 | 775d14 | 782314 |
| Base 15 | 61c815 | 627215 |
| Base 16 | 50b716 | 514716 |