Compare 642139 vs 642143
| Property | 642139 | 642143 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 4331 × 14831 | 191 × 337971 |
| Prime factorization | 433 × 1483 | 19 × 33797 |
| Divisors count | 4 | 4 |
| Divisors | 1, 433, 1483, 642139 | 1, 19, 33797, 642143 |
| Number of properties | 1 | 1 |
| Semiprimes | 137582nd | 137583rd |
| Roman numberals | ||
| Base 2 | 100111001100010110112 | 100111001100010111112 |
| Base 3 | 10121212112213 | 10121212120023 |
| Base 4 | 21303011234 | 21303011334 |
| Base 5 | 1310220245 | 1310220335 |
| Base 6 | 214325116 | 214325156 |
| Base 7 | 53130617 | 53130657 |
| Base 8 | 23461338 | 23461378 |
| Base 9 | 11777579 | 11777629 |
| Base 10 | 64213910 | 64214310 |
| Base 11 | 3a94a311 | 3a94a711 |
| Base 12 | 26b73712 | 26b73b12 |
| Base 13 | 19638413 | 19638813 |
| Base 14 | 12a03114 | 12a03514 |
| Base 15 | ca3e415 | ca3e815 |
| Base 16 | 9cc5b16 | 9cc5f16 |