Compare 642149 vs 642797
| Property | 642149 | 642797 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6421491 | 6427971 |
| Prime factorization | 642149 | 642797 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642149 | 1, 642797 |
| Number of properties | 3 | 5 |
| Chen primes | 20432nd | 20448th |
| Left-truncatable primes | 541st | |
| Primes | 52232nd | 52273rd |
| Sexy primes (2nd member) | 11324th | |
| Twin primes (1st member) | 5649th | 5654th |
| Roman numberals | ||
| Base 2 | 100111001100011001012 | 100111001110111011012 |
| Base 3 | 10121212120223 | 10121222020223 |
| Base 4 | 21303012114 | 21303232314 |
| Base 5 | 1310220445 | 1310321425 |
| Base 6 | 214325256 | 214355256 |
| Base 7 | 53131047 | 53150217 |
| Base 8 | 23461458 | 23473558 |
| Base 9 | 11777689 | 11786689 |
| Base 10 | 64214910 | 64279710 |
| Base 11 | 3a950211 | 3a9a4111 |
| Base 12 | 26b74512 | 26bba512 |
| Base 13 | 19639113 | 19676c13 |
| Base 14 | 12a03b14 | 12a38114 |
| Base 15 | ca3ee15 | ca6d215 |
| Base 16 | 9cc6516 | 9ceed16 |