Compare 20939 vs 20947
| Property | 20939 | 20947 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 209391 | 209471 |
| Prime factorization | 20939 | 20947 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20939 | 1, 20947 |
| Number of properties | 7 | 3 |
| Additive primes | 1093rd | |
| Chen primes | 1159th | 1160th |
| Isolated primes | 1644th | 1645th |
| Long primes | 895th | |
| Primes | 2355th | 2356th |
| Sophie germain primes | 340th | |
| Ulam primes | 176th | |
| Roman numberals | ||
| Base 2 | 1010001110010112 | 1010001110100112 |
| Base 3 | 10012011123 | 10012012113 |
| Base 4 | 110130234 | 110131034 |
| Base 5 | 11322245 | 11322425 |
| Base 6 | 2405356 | 2405516 |
| Base 7 | 1150227 | 1150337 |
| Base 8 | 507138 | 507238 |
| Base 9 | 316459 | 316549 |
| Base 10 | 2093910 | 2094710 |
| Base 11 | 1480611 | 1481311 |
| Base 12 | 1014b12 | 1015712 |
| Base 13 | 96b913 | 96c413 |
| Base 14 | 78b914 | 78c314 |
| Base 15 | 630e15 | 631715 |
| Base 16 | 51cb16 | 51d316 |