Compare 42138 vs 42139
| Property | 42138 | 42139 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 21 × 32 × 23411 | 421391 |
| Prime factorization | 2 × 3 × 3 × 2341 | 42139 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 3, 6, 9, 18, 2341, 4682, 7023, 14046, 21069, 42138 | 1, 42139 |
| Number of properties | 0 | 4 |
| Additive primes | 1964th | |
| Isolated primes | 3180th | |
| Long primes | 1658th | |
| Primes | 4405th | |
| Roman numberals | ||
| Base 2 | 10100100100110102 | 10100100100110112 |
| Base 3 | 20102102003 | 20102102013 |
| Base 4 | 221021224 | 221021234 |
| Base 5 | 23220235 | 23220245 |
| Base 6 | 5230306 | 5230316 |
| Base 7 | 2335657 | 2335667 |
| Base 8 | 1222328 | 1222338 |
| Base 9 | 637209 | 637219 |
| Base 10 | 4213810 | 4213910 |
| Base 11 | 2972811 | 2972911 |
| Base 12 | 2047612 | 2047712 |
| Base 13 | 1624513 | 1624613 |
| Base 14 | 114dc14 | 114dd14 |
| Base 15 | c74315 | c74415 |
| Base 16 | a49a16 | a49b16 |