Compare 20663 vs 20939
| Property | 20663 | 20939 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 206631 | 209391 |
| Prime factorization | 20663 | 20939 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20663 | 1, 20939 |
| Number of properties | 7 | 7 |
| Additive primes | 1081st | 1093rd |
| Chen primes | 1144th | 1159th |
| Harmonic primes | 850th | |
| Isolated primes | 1627th | 1644th |
| Long primes | 886th | 895th |
| Primes | 2328th | 2355th |
| Safe primes | 197th | |
| Sophie germain primes | 340th | |
| Ulam primes | 176th | |
| Roman numberals | ||
| Base 2 | 1010000101101112 | 1010001110010112 |
| Base 3 | 10011000223 | 10012011123 |
| Base 4 | 110023134 | 110130234 |
| Base 5 | 11301235 | 11322245 |
| Base 6 | 2353556 | 2405356 |
| Base 7 | 1141467 | 1150227 |
| Base 8 | 502678 | 507138 |
| Base 9 | 313089 | 316459 |
| Base 10 | 2066310 | 2093910 |
| Base 11 | 1458511 | 1480611 |
| Base 12 | bb5b12 | 1014b12 |
| Base 13 | 953613 | 96b913 |
| Base 14 | 775d14 | 78b914 |
| Base 15 | 61c815 | 630e15 |
| Base 16 | 50b716 | 51cb16 |