Compare 18142 vs 18143
| Property | 18142 | 18143 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 471 × 1931 | 181431 |
| Prime factorization | 2 × 47 × 193 | 18143 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 47, 94, 193, 386, 9071, 18142 | 1, 18143 |
| Number of properties | 0 | 6 |
| Additive primes | 977th | |
| Happy primes | 356th | |
| Isolated primes | 1441st | |
| Long primes | 798th | |
| Primes | 2080th | |
| Sexy primes (1st member) | 642nd | |
| Roman numberals | ||
| Base 2 | 1000110110111102 | 1000110110111112 |
| Base 3 | 2202122213 | 2202122223 |
| Base 4 | 101231324 | 101231334 |
| Base 5 | 10400325 | 10400335 |
| Base 6 | 2155546 | 2155556 |
| Base 7 | 1036157 | 1036167 |
| Base 8 | 433368 | 433378 |
| Base 9 | 267879 | 267889 |
| Base 10 | 1814210 | 1814310 |
| Base 11 | 126a311 | 126a411 |
| Base 12 | a5ba12 | a5bb12 |
| Base 13 | 834713 | 834813 |
| Base 14 | 687c14 | 687d14 |
| Base 15 | 559715 | 559815 |
| Base 16 | 46de16 | 46df16 |