Compare 642133 vs 642145
| Property | 642133 | 642145 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 4 |
| Prime factorization | 6421331 | 51 × 72 × 26211 |
| Prime factorization | 642133 | 5 × 7 × 7 × 2621 |
| Divisors count | 2 | 12 |
| Divisors | 1, 642133 | 1, 5, 7, 35, 49, 245, 2621, 13105, 18347, 91735, 128429, 642145 |
| Number of properties | 5 | 0 |
| Additive primes | 20413th | |
| Isolated primes | 40936th | |
| Lucky primes | 5996th | |
| Primes | 52231st | |
| Ulam primes | 3829th | |
| Roman numberals | ||
| Base 2 | 100111001100010101012 | 100111001100011000012 |
| Base 3 | 10121212112013 | 10121212120113 |
| Base 4 | 21303011114 | 21303012014 |
| Base 5 | 1310220135 | 1310220405 |
| Base 6 | 214325016 | 214325216 |
| Base 7 | 53130527 | 53131007 |
| Base 8 | 23461258 | 23461418 |
| Base 9 | 11777519 | 11777649 |
| Base 10 | 64213310 | 64214510 |
| Base 11 | 3a949811 | 3a94a911 |
| Base 12 | 26b73112 | 26b74112 |
| Base 13 | 19637b13 | 19638a13 |
| Base 14 | 12a02914 | 12a03714 |
| Base 15 | ca3dd15 | ca3ea15 |
| Base 16 | 9cc5516 | 9cc6116 |