Compare 18947 vs 19139
| Property | 18947 | 19139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 189471 | 191391 |
| Prime factorization | 18947 | 19139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18947 | 1, 19139 |
| Number of properties | 5 | 7 |
| Additive primes | 1007th | 1011th |
| Chen primes | 1068th | 1078th |
| Good primes | 249th | |
| Harmonic primes | 785th | |
| Isolated primes | 1502nd | |
| Long primes | 828th | |
| Primes | 2155th | 2171st |
| Safe primes | 185th | |
| Twin primes (1st member) | 329th | |
| Roman numberals | ||
| Base 2 | 1001010000000112 | 1001010110000112 |
| Base 3 | 2212222023 | 2220202123 |
| Base 4 | 102200034 | 102230034 |
| Base 5 | 11012425 | 11030245 |
| Base 6 | 2234156 | 2243356 |
| Base 7 | 1061457 | 1065417 |
| Base 8 | 450038 | 453038 |
| Base 9 | 278829 | 282259 |
| Base 10 | 1894710 | 1913910 |
| Base 11 | 1326511 | 1341a11 |
| Base 12 | ab6b12 | b0ab12 |
| Base 13 | 881613 | 893313 |
| Base 14 | 6c9514 | 6d9114 |
| Base 15 | 593215 | 5a0e15 |
| Base 16 | 4a0316 | 4ac316 |