Compare 18839 vs 19139
| Property | 18839 | 19139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 188391 | 191391 |
| Prime factorization | 18839 | 19139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18839 | 1, 19139 |
| Number of properties | 7 | 7 |
| Additive primes | 1005th | 1011th |
| Chen primes | 1062nd | 1078th |
| Good primes | 249th | |
| Happy primes | 366th | |
| Harmonic primes | 772nd | 785th |
| Isolated primes | 1498th | |
| Long primes | 828th | |
| Primes | 2147th | 2171st |
| Safe primes | 184th | |
| Twin primes (1st member) | 329th | |
| Roman numberals | ||
| Base 2 | 1001001100101112 | 1001010110000112 |
| Base 3 | 2212112023 | 2220202123 |
| Base 4 | 102121134 | 102230034 |
| Base 5 | 11003245 | 11030245 |
| Base 6 | 2231156 | 2243356 |
| Base 7 | 1056327 | 1065417 |
| Base 8 | 446278 | 453038 |
| Base 9 | 277529 | 282259 |
| Base 10 | 1883910 | 1913910 |
| Base 11 | 1317711 | 1341a11 |
| Base 12 | aa9b12 | b0ab12 |
| Base 13 | 876213 | 893313 |
| Base 14 | 6c1914 | 6d9114 |
| Base 15 | 58ae15 | 5a0e15 |
| Base 16 | 499716 | 4ac316 |