Compare 642004 vs 642009
| Property | 642004 | 642009 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 111 × 145911 | 31 × 2140031 |
| Prime factorization | 2 × 2 × 11 × 14591 | 3 × 214003 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 11, 22, 44, 14591, 29182, 58364, 160501, 321002, 642004 | 1, 3, 214003, 642009 |
| Number of properties | 0 | 1 |
| Semiprimes | 137552nd | |
| Roman numberals | ||
| Base 2 | 100111001011110101002 | 100111001011110110012 |
| Base 3 | 10121211222213 | 10121212000103 |
| Base 4 | 21302331104 | 21302331214 |
| Base 5 | 1310210045 | 1310210145 |
| Base 6 | 214321246 | 214321336 |
| Base 7 | 53125067 | 53125147 |
| Base 8 | 23457248 | 23457318 |
| Base 9 | 11775879 | 11776039 |
| Base 10 | 64200410 | 64200910 |
| Base 11 | 3a939011 | 3a939511 |
| Base 12 | 26b64412 | 26b64912 |
| Base 13 | 1962ac13 | 1962b413 |
| Base 14 | 129d7614 | 129d7b14 |
| Base 15 | ca35415 | ca35915 |
| Base 16 | 9cbd416 | 9cbd916 |