Compare 42139 vs 42179
| Property | 42139 | 42179 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 421391 | 421791 |
| Prime factorization | 42139 | 42179 |
| Divisors count | 2 | 2 |
| Divisors | 1, 42139 | 1, 42179 |
| Number of properties | 4 | 6 |
| Additive primes | 1964th | 1966th |
| Chen primes | 2071st | |
| Isolated primes | 3180th | |
| Long primes | 1658th | 1659th |
| Primes | 4405th | 4408th |
| Safe primes | 343rd | |
| Twin primes (1st member) | 614th | |
| Roman numberals | ||
| Base 2 | 10100100100110112 | 10100100110000112 |
| Base 3 | 20102102013 | 20102120123 |
| Base 4 | 221021234 | 221030034 |
| Base 5 | 23220245 | 23222045 |
| Base 6 | 5230316 | 5231356 |
| Base 7 | 2335667 | 2336547 |
| Base 8 | 1222338 | 1223038 |
| Base 9 | 637219 | 637659 |
| Base 10 | 4213910 | 4217910 |
| Base 11 | 2972911 | 2976511 |
| Base 12 | 2047712 | 204ab12 |
| Base 13 | 1624613 | 1627713 |
| Base 14 | 114dd14 | 1152b14 |
| Base 15 | c74415 | c76e15 |
| Base 16 | a49b16 | a4c316 |