Compare 642133 vs 642149
| Property | 642133 | 642149 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6421331 | 6421491 |
| Prime factorization | 642133 | 642149 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642133 | 1, 642149 |
| Number of properties | 5 | 3 |
| Additive primes | 20413th | |
| Chen primes | 20432nd | |
| Isolated primes | 40936th | |
| Lucky primes | 5996th | |
| Primes | 52231st | 52232nd |
| Twin primes (1st member) | 5649th | |
| Ulam primes | 3829th | |
| Roman numberals | ||
| Base 2 | 100111001100010101012 | 100111001100011001012 |
| Base 3 | 10121212112013 | 10121212120223 |
| Base 4 | 21303011114 | 21303012114 |
| Base 5 | 1310220135 | 1310220445 |
| Base 6 | 214325016 | 214325256 |
| Base 7 | 53130527 | 53131047 |
| Base 8 | 23461258 | 23461458 |
| Base 9 | 11777519 | 11777689 |
| Base 10 | 64213310 | 64214910 |
| Base 11 | 3a949811 | 3a950211 |
| Base 12 | 26b73112 | 26b74512 |
| Base 13 | 19637b13 | 19639113 |
| Base 14 | 12a02914 | 12a03b14 |
| Base 15 | ca3dd15 | ca3ee15 |
| Base 16 | 9cc5516 | 9cc6516 |