Compare 855143 vs 855145
| Property | 855143 | 855145 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 8551431 | 51 × 1710291 |
| Prime factorization | 855143 | 5 × 171029 |
| Divisors count | 2 | 4 |
| Divisors | 1, 855143 | 1, 5, 171029, 855145 |
| Number of properties | 4 | 1 |
| Chen primes | 26194th | |
| Isolated primes | 53699th | |
| Primes | 67984th | |
| Semiprimes | 180809th | |
| Sophie germain primes | 6801st | |
| Roman numberals | ||
| Base 2 | 110100001100011001112 | 110100001100011010012 |
| Base 3 | 11211100002223 | 11211100010013 |
| Base 4 | 31003012134 | 31003012214 |
| Base 5 | 2043310335 | 2043310405 |
| Base 6 | 301545556 | 301550016 |
| Base 7 | 101610627 | 101610647 |
| Base 8 | 32061478 | 32061518 |
| Base 9 | 15430289 | 15430319 |
| Base 10 | 85514310 | 85514510 |
| Base 11 | 53453311 | 53453511 |
| Base 12 | 352a5b12 | 352a6112 |
| Base 13 | 23c30313 | 23c30513 |
| Base 14 | 1838d914 | 1838db14 |
| Base 15 | 11d59815 | 11d59a15 |
| Base 16 | d0c6716 | d0c6916 |