Compare 78139 vs 78145
| Property | 78139 | 78145 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 781391 | 51 × 156291 |
| Prime factorization | 78139 | 5 × 15629 |
| Divisors count | 2 | 4 |
| Divisors | 1, 78139 | 1, 5, 15629, 78145 |
| Number of properties | 5 | 1 |
| Emirps | 1232nd | |
| Long primes | 2907th | |
| Primes | 7673rd | |
| Semiprimes | 18503rd | |
| Super primes | 973rd | |
| Twin primes (2nd member) | 988th | |
| Roman numberals | ||
| Base 2 | 100110001001110112 | 100110001010000012 |
| Base 3 | 102220120013 | 102220120213 |
| Base 4 | 1030103234 | 1030110014 |
| Base 5 | 100000245 | 100000405 |
| Base 6 | 14014316 | 14014416 |
| Base 7 | 4435457 | 4435547 |
| Base 8 | 2304738 | 2305018 |
| Base 9 | 1281619 | 1281679 |
| Base 10 | 7813910 | 7814510 |
| Base 11 | 5378611 | 5379111 |
| Base 12 | 3927712 | 3928112 |
| Base 13 | 2974913 | 2975213 |
| Base 14 | 2069514 | 2069b14 |
| Base 15 | 1824415 | 1824a15 |
| Base 16 | 1313b16 | 1314116 |