Compare 128399 vs 128939
| Property | 128399 | 128939 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1283991 | 1289391 |
| Prime factorization | 128399 | 128939 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128399 | 1, 128939 |
| Number of properties | 5 | 6 |
| Chen primes | 5217th | |
| Emirps | 2422nd | |
| Isolated primes | 9026th | |
| Long primes | 4526th | |
| Primes | 12021st | 12067th |
| Sexy primes (2nd member) | 2983rd | |
| Sophie germain primes | 1440th | 1446th |
| Twin primes (1st member) | 1505th | |
| Ulam primes | 843rd | |
| Roman numberals | ||
| Base 2 | 111110101100011112 | 111110111101010112 |
| Base 3 | 201120101123 | 201122121123 |
| Base 4 | 1331120334 | 1331322234 |
| Base 5 | 131020445 | 131112245 |
| Base 6 | 24302356 | 24325356 |
| Base 7 | 10432257 | 10446267 |
| Base 8 | 3726178 | 3736538 |
| Base 9 | 2151159 | 2157759 |
| Base 10 | 12839910 | 12893910 |
| Base 11 | 8851711 | 8896811 |
| Base 12 | 6237b12 | 6274b12 |
| Base 13 | 4659b13 | 468c513 |
| Base 14 | 34b1514 | 34dbd14 |
| Base 15 | 2809e15 | 2830e15 |
| Base 16 | 1f58f16 | 1f7ab16 |