Compare 128873 vs 128878
| Property | 128873 | 128878 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1288731 | 21 × 644391 |
| Prime factorization | 128873 | 2 × 64439 |
| Divisors count | 2 | 4 |
| Divisors | 1, 128873 | 1, 2, 64439, 128878 |
| Number of properties | 8 | 1 |
| Additive primes | 4973rd | |
| Emirps | 2431st | |
| Harmonic primes | 4541st | |
| Isolated primes | 9056th | |
| Long primes | 4524th | |
| Primes | 12063rd | |
| Pythagorean primes | 6001st | |
| Semiprimes | 29785th | |
| Sexy primes (1st member) | 2995th | |
| Roman numberals | ||
| Base 2 | 111110111011010012 | 111110111011011102 |
| Base 3 | 201122100023 | 201122100213 |
| Base 4 | 1331312214 | 1331312324 |
| Base 5 | 131104435 | 131110035 |
| Base 6 | 24323456 | 24323546 |
| Base 7 | 10445037 | 10445117 |
| Base 8 | 3735518 | 3735568 |
| Base 9 | 2157029 | 2157079 |
| Base 10 | 12887310 | 12887810 |
| Base 11 | 8890811 | 8891211 |
| Base 12 | 626b512 | 626ba12 |
| Base 13 | 4687413 | 4687913 |
| Base 14 | 34d7314 | 34d7814 |
| Base 15 | 282b815 | 282bd15 |
| Base 16 | 1f76916 | 1f76e16 |