Compare 642149 vs 642419
| Property | 642149 | 642419 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6421491 | 6424191 |
| Prime factorization | 642149 | 642419 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642149 | 1, 642419 |
| Number of properties | 3 | 3 |
| Chen primes | 20432nd | 20438th |
| Isolated primes | 40950th | |
| Primes | 52232nd | 52251st |
| Twin primes (1st member) | 5649th | |
| Roman numberals | ||
| Base 2 | 100111001100011001012 | 100111001101011100112 |
| Base 3 | 10121212120223 | 10121220200223 |
| Base 4 | 21303012114 | 21303113034 |
| Base 5 | 1310220445 | 1310241345 |
| Base 6 | 214325256 | 214340556 |
| Base 7 | 53131047 | 53136417 |
| Base 8 | 23461458 | 23465638 |
| Base 9 | 11777689 | 11782089 |
| Base 10 | 64214910 | 64241910 |
| Base 11 | 3a950211 | 3a972811 |
| Base 12 | 26b74512 | 26b92b12 |
| Base 13 | 19639113 | 19653b13 |
| Base 14 | 12a03b14 | 12a19114 |
| Base 15 | ca3ee15 | ca52e15 |
| Base 16 | 9cc6516 | 9cd7316 |