Compare 642013 vs 642016
| Property | 642013 | 642016 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 6 |
| Prime factorization | 6420131 | 25 × 200631 |
| Prime factorization | 642013 | 2 × 2 × 2 × 2 × 2 × 20063 |
| Divisors count | 2 | 12 |
| Divisors | 1, 642013 | 1, 2, 4, 8, 16, 32, 20063, 40126, 80252, 160504, 321008, 642016 |
| Number of properties | 2 | 0 |
| Primes | 52224th | |
| Twin primes (2nd member) | 5647th | |
| Roman numberals | ||
| Base 2 | 100111001011110111012 | 100111001011111000002 |
| Base 3 | 10121212000213 | 10121212001013 |
| Base 4 | 21302331314 | 21302332004 |
| Base 5 | 1310210235 | 1310210315 |
| Base 6 | 214321416 | 214321446 |
| Base 7 | 53125217 | 53125247 |
| Base 8 | 23457358 | 23457408 |
| Base 9 | 11776079 | 11776119 |
| Base 10 | 64201310 | 64201610 |
| Base 11 | 3a939911 | 3a93a111 |
| Base 12 | 26b65112 | 26b65412 |
| Base 13 | 1962b813 | 1962bb13 |
| Base 14 | 129d8114 | 129d8414 |
| Base 15 | ca35d15 | ca36115 |
| Base 16 | 9cbdd16 | 9cbe016 |