Compare 128939 vs 129223
| Property | 128939 | 129223 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1289391 | 1292231 |
| Prime factorization | 128939 | 129223 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128939 | 1, 129223 |
| Number of properties | 6 | 8 |
| Additive primes | 4987th | |
| Chen primes | 5217th | |
| Emirps | 2442nd | |
| Happy primes | 1880th | |
| Long primes | 4526th | 4534th |
| Primes | 12067th | 12096th |
| Sexy primes (1st member) | 3002nd | |
| Sophie germain primes | 1446th | |
| Twin primes (1st member) | 1505th | |
| Twin primes (2nd member) | 1509th | |
| Ulam primes | 843rd | 847th |
| Roman numberals | ||
| Base 2 | 111110111101010112 | 111111000110001112 |
| Base 3 | 201122121123 | 201200210013 |
| Base 4 | 1331322234 | 1332030134 |
| Base 5 | 131112245 | 131133435 |
| Base 6 | 24325356 | 24341316 |
| Base 7 | 10446267 | 10455137 |
| Base 8 | 3736538 | 3743078 |
| Base 9 | 2157759 | 2162319 |
| Base 10 | 12893910 | 12922310 |
| Base 11 | 8896811 | 890a611 |
| Base 12 | 6274b12 | 6294712 |
| Base 13 | 468c513 | 46a8313 |
| Base 14 | 34dbd14 | 3514314 |
| Base 15 | 2830e15 | 2844d15 |
| Base 16 | 1f7ab16 | 1f8c716 |