Compare 18287 vs 19139
| Property | 18287 | 19139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 182871 | 191391 |
| Prime factorization | 18287 | 19139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 18287 | 1, 19139 |
| Number of properties | 4 | 7 |
| Additive primes | 1011th | |
| Chen primes | 1037th | 1078th |
| Good primes | 249th | |
| Harmonic primes | 785th | |
| Long primes | 804th | 828th |
| Primes | 2095th | 2171st |
| Twin primes (1st member) | 322nd | 329th |
| Roman numberals | ||
| Base 2 | 1000111011011112 | 1001010110000112 |
| Base 3 | 2210020223 | 2220202123 |
| Base 4 | 101312334 | 102230034 |
| Base 5 | 10411225 | 11030245 |
| Base 6 | 2203556 | 2243356 |
| Base 7 | 1042137 | 1065417 |
| Base 8 | 435578 | 453038 |
| Base 9 | 270689 | 282259 |
| Base 10 | 1828710 | 1913910 |
| Base 11 | 1281511 | 1341a11 |
| Base 12 | a6bb12 | b0ab12 |
| Base 13 | 842913 | 893313 |
| Base 14 | 694314 | 6d9114 |
| Base 15 | 564215 | 5a0e15 |
| Base 16 | 476f16 | 4ac316 |