Compare 68143 vs 68147
| Property | 68143 | 68147 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 831 × 8211 | 681471 |
| Prime factorization | 83 × 821 | 68147 |
| Divisors count | 4 | 2 |
| Divisors | 1, 83, 821, 68143 | 1, 68147 |
| Number of properties | 1 | 5 |
| Chen primes | 3101st | |
| Harmonic primes | 2563rd | |
| Isolated primes | 5016th | |
| Primes | 6785th | |
| Semiprimes | 16248th | |
| Sexy primes (2nd member) | 1795th | |
| Roman numberals | ||
| Base 2 | 100001010001011112 | 100001010001100112 |
| Base 3 | 101101102113 | 101101102223 |
| Base 4 | 1002202334 | 1002203034 |
| Base 5 | 41400335 | 41400425 |
| Base 6 | 12432516 | 12432556 |
| Base 7 | 4024457 | 4024527 |
| Base 8 | 2050578 | 2050638 |
| Base 9 | 1134249 | 1134289 |
| Base 10 | 6814310 | 6814710 |
| Base 11 | 4721911 | 4722211 |
| Base 12 | 3352712 | 3352b12 |
| Base 13 | 2502a13 | 2503113 |
| Base 14 | 1ab9514 | 1ab9914 |
| Base 15 | 152cd15 | 152d215 |
| Base 16 | 10a2f16 | 10a3316 |