Compare 642139 vs 642146
| Property | 642139 | 642146 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 4331 × 14831 | 21 × 3210731 |
| Prime factorization | 433 × 1483 | 2 × 321073 |
| Divisors count | 4 | 4 |
| Divisors | 1, 433, 1483, 642139 | 1, 2, 321073, 642146 |
| Number of properties | 1 | 1 |
| Semiprimes | 137582nd | 137584th |
| Roman numberals | ||
| Base 2 | 100111001100010110112 | 100111001100011000102 |
| Base 3 | 10121212112213 | 10121212120123 |
| Base 4 | 21303011234 | 21303012024 |
| Base 5 | 1310220245 | 1310220415 |
| Base 6 | 214325116 | 214325226 |
| Base 7 | 53130617 | 53131017 |
| Base 8 | 23461338 | 23461428 |
| Base 9 | 11777579 | 11777659 |
| Base 10 | 64213910 | 64214610 |
| Base 11 | 3a94a311 | 3a94aa11 |
| Base 12 | 26b73712 | 26b74212 |
| Base 13 | 19638413 | 19638b13 |
| Base 14 | 12a03114 | 12a03814 |
| Base 15 | ca3e415 | ca3eb15 |
| Base 16 | 9cc5b16 | 9cc6216 |