Compare 168242 vs 168247
| Property | 168242 | 168247 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 841211 | 1682471 |
| Prime factorization | 2 × 84121 | 168247 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 84121, 168242 | 1, 168247 |
| Number of properties | 1 | 4 |
| Harmonic primes | 5755th | |
| Isolated primes | 11616th | |
| Primes | 15355th | |
| Semiprimes | 38392nd | |
| Sexy primes (1st member) | 3713th | |
| Roman numberals | ||
| Base 2 | 1010010001001100102 | 1010010001001101112 |
| Base 3 | 221122100123 | 221122101013 |
| Base 4 | 2210103024 | 2210103134 |
| Base 5 | 203404325 | 203404425 |
| Base 6 | 33345226 | 33345316 |
| Base 7 | 13003347 | 13003427 |
| Base 8 | 5104628 | 5104678 |
| Base 9 | 2757059 | 2757119 |
| Base 10 | 16824210 | 16824710 |
| Base 11 | 10544811 | 10545211 |
| Base 12 | 8144212 | 8144712 |
| Base 13 | 5b76913 | 5b77113 |
| Base 14 | 4545414 | 4545914 |
| Base 15 | 34cb215 | 34cb715 |
| Base 16 | 2913216 | 2913716 |