Compare 20939 vs 21121
| Property | 20939 | 21121 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 209391 | 211211 |
| Prime factorization | 20939 | 21121 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20939 | 1, 21121 |
| Number of properties | 7 | 4 |
| Additive primes | 1093rd | 1102nd |
| Chen primes | 1159th | |
| Isolated primes | 1644th | 1655th |
| Long primes | 895th | |
| Primes | 2355th | 2374th |
| Pythagorean primes | 1179th | |
| Sophie germain primes | 340th | |
| Ulam primes | 176th | |
| Roman numberals | ||
| Base 2 | 1010001110010112 | 1010010100000012 |
| Base 3 | 10012011123 | 10012220213 |
| Base 4 | 110130234 | 110220014 |
| Base 5 | 11322245 | 11334415 |
| Base 6 | 2405356 | 2414416 |
| Base 7 | 1150227 | 1154027 |
| Base 8 | 507138 | 512018 |
| Base 9 | 316459 | 318679 |
| Base 10 | 2093910 | 2112110 |
| Base 11 | 1480611 | 1496111 |
| Base 12 | 1014b12 | 1028112 |
| Base 13 | 96b913 | 97c913 |
| Base 14 | 78b914 | 79a914 |
| Base 15 | 630e15 | 63d115 |
| Base 16 | 51cb16 | 528116 |