Compare 128521 vs 128813
| Property | 128521 | 128813 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1285211 | 1288131 |
| Prime factorization | 128521 | 128813 |
| Divisors count | 2 | 2 |
| Divisors | 1, 128521 | 1, 128813 |
| Number of properties | 7 | 8 |
| Additive primes | 4959th | 4968th |
| Chen primes | 5203rd | 5212th |
| Emirps | 2427th | |
| Harmonic primes | 4531st | 4539th |
| Isolated primes | 9051st | |
| Primes | 12035th | 12056th |
| Pythagorean primes | 5985th | 5996th |
| Sexy primes (1st member) | 2993rd | |
| Sophie germain primes | 1444th | |
| Twin primes (2nd member) | 1500th | |
| Roman numberals | ||
| Base 2 | 111110110000010012 | 111110111001011012 |
| Base 3 | 201120220013 | 201122002123 |
| Base 4 | 1331200214 | 1331302314 |
| Base 5 | 131030415 | 131102235 |
| Base 6 | 24310016 | 24322056 |
| Base 7 | 10434617 | 10443567 |
| Base 8 | 3730118 | 3734558 |
| Base 9 | 2152619 | 2156259 |
| Base 10 | 12852110 | 12881310 |
| Base 11 | 8861811 | 8886311 |
| Base 12 | 6246112 | 6266512 |
| Base 13 | 4666313 | 4682913 |
| Base 14 | 34ba114 | 34d2d14 |
| Base 15 | 2813115 | 2827815 |
| Base 16 | 1f60916 | 1f72d16 |