Compare 128939 vs 129209
| Property | 128939 | 129209 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1289391 | 1292091 |
| Prime factorization | 128939 | 129209 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128939 | 1, 129209 |
| Number of properties | 6 | 5 |
| Additive primes | 4985th | |
| Chen primes | 5217th | 5228th |
| Isolated primes | 9079th | |
| Long primes | 4526th | |
| Primes | 12067th | 12094th |
| Pythagorean primes | 6017th | |
| Sophie germain primes | 1446th | |
| Twin primes (1st member) | 1505th | |
| Ulam primes | 843rd | |
| Roman numberals | ||
| Base 2 | 111110111101010112 | 111111000101110012 |
| Base 3 | 201122121123 | 201200201123 |
| Base 4 | 1331322234 | 1332023214 |
| Base 5 | 131112245 | 131133145 |
| Base 6 | 24325356 | 24341056 |
| Base 7 | 10446267 | 10454637 |
| Base 8 | 3736538 | 3742718 |
| Base 9 | 2157759 | 2162159 |
| Base 10 | 12893910 | 12920910 |
| Base 11 | 8896811 | 8909311 |
| Base 12 | 6274b12 | 6293512 |
| Base 13 | 468c513 | 46a7213 |
| Base 14 | 34dbd14 | 3513314 |
| Base 15 | 2830e15 | 2843e15 |
| Base 16 | 1f7ab16 | 1f8b916 |