Compare 642128 vs 642133
| Property | 642128 | 642133 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 24 × 671 × 5991 | 6421331 |
| Prime factorization | 2 × 2 × 2 × 2 × 67 × 599 | 642133 |
| Divisors count | 20 | 2 |
| Divisors | 1, 2, 4, 8, 16, 67, 134, 268, 536, 599, 1072, 1198, 2396, 4792, 9584, 40133, 80266, 160532, 321064, 642128 | 1, 642133 |
| Number of properties | 0 | 5 |
| Additive primes | 20413th | |
| Isolated primes | 40936th | |
| Lucky primes | 5996th | |
| Primes | 52231st | |
| Ulam primes | 3829th | |
| Roman numberals | ||
| Base 2 | 100111001100010100002 | 100111001100010101012 |
| Base 3 | 10121212111123 | 10121212112013 |
| Base 4 | 21303011004 | 21303011114 |
| Base 5 | 1310220035 | 1310220135 |
| Base 6 | 214324526 | 214325016 |
| Base 7 | 53130447 | 53130527 |
| Base 8 | 23461208 | 23461258 |
| Base 9 | 11777459 | 11777519 |
| Base 10 | 64212810 | 64213310 |
| Base 11 | 3a949311 | 3a949811 |
| Base 12 | 26b72812 | 26b73112 |
| Base 13 | 19637613 | 19637b13 |
| Base 14 | 12a02414 | 12a02914 |
| Base 15 | ca3d815 | ca3dd15 |
| Base 16 | 9cc5016 | 9cc5516 |