Compare 642149 vs 642223
| Property | 642149 | 642223 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6421491 | 6422231 |
| Prime factorization | 642149 | 642223 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642149 | 1, 642223 |
| Number of properties | 3 | 6 |
| Additive primes | 20417th | |
| Chen primes | 20432nd | |
| Isolated primes | 40941st | |
| Lucky primes | 5998th | |
| Primes | 52232nd | 52240th |
| Sexy primes (2nd member) | 11319th | |
| Sexy prime triplets (3rd member) | 2076th | |
| Twin primes (1st member) | 5649th | |
| Roman numberals | ||
| Base 2 | 100111001100011001012 | 100111001100101011112 |
| Base 3 | 10121212120223 | 10121212220013 |
| Base 4 | 21303012114 | 21303022334 |
| Base 5 | 1310220445 | 1310223435 |
| Base 6 | 214325256 | 214331316 |
| Base 7 | 53131047 | 53132417 |
| Base 8 | 23461458 | 23462578 |
| Base 9 | 11777689 | 11778619 |
| Base 10 | 64214910 | 64222310 |
| Base 11 | 3a950211 | 3a956a11 |
| Base 12 | 26b74512 | 26b7a712 |
| Base 13 | 19639113 | 19641a13 |
| Base 14 | 12a03b14 | 12a09114 |
| Base 15 | ca3ee15 | ca44d15 |
| Base 16 | 9cc6516 | 9ccaf16 |