Compare 642013 vs 642023
| Property | 642013 | 642023 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6420131 | 1971 × 32591 |
| Prime factorization | 642013 | 197 × 3259 |
| Divisors count | 2 | 4 |
| Divisors | 1, 642013 | 1, 197, 3259, 642023 |
| Number of properties | 2 | 1 |
| Primes | 52224th | |
| Semiprimes | 137556th | |
| Twin primes (2nd member) | 5647th | |
| Roman numberals | ||
| Base 2 | 100111001011110111012 | 100111001011111001112 |
| Base 3 | 10121212000213 | 10121212001223 |
| Base 4 | 21302331314 | 21302332134 |
| Base 5 | 1310210235 | 1310210435 |
| Base 6 | 214321416 | 214321556 |
| Base 7 | 53125217 | 53125347 |
| Base 8 | 23457358 | 23457478 |
| Base 9 | 11776079 | 11776189 |
| Base 10 | 64201310 | 64202310 |
| Base 11 | 3a939911 | 3a93a811 |
| Base 12 | 26b65112 | 26b65b12 |
| Base 13 | 1962b813 | 1962c513 |
| Base 14 | 129d8114 | 129d8b14 |
| Base 15 | ca35d15 | ca36815 |
| Base 16 | 9cbdd16 | 9cbe716 |