Compare 642009 vs 642019
| Property | 642009 | 642019 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 2140031 | 71 × 411 × 22371 |
| Prime factorization | 3 × 214003 | 7 × 41 × 2237 |
| Divisors count | 4 | 8 |
| Divisors | 1, 3, 214003, 642009 | 1, 7, 41, 287, 2237, 15659, 91717, 642019 |
| Number of properties | 1 | 0 |
| Semiprimes | 137552nd | |
| Roman numberals | ||
| Base 2 | 100111001011110110012 | 100111001011111000112 |
| Base 3 | 10121212000103 | 10121212001113 |
| Base 4 | 21302331214 | 21302332034 |
| Base 5 | 1310210145 | 1310210345 |
| Base 6 | 214321336 | 214321516 |
| Base 7 | 53125147 | 53125307 |
| Base 8 | 23457318 | 23457438 |
| Base 9 | 11776039 | 11776149 |
| Base 10 | 64200910 | 64201910 |
| Base 11 | 3a939511 | 3a93a411 |
| Base 12 | 26b64912 | 26b65712 |
| Base 13 | 1962b413 | 1962c113 |
| Base 14 | 129d7b14 | 129d8714 |
| Base 15 | ca35915 | ca36415 |
| Base 16 | 9cbd916 | 9cbe316 |