Compare 19139 vs 20681
| Property | 19139 | 20681 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 191391 | 206811 |
| Prime factorization | 19139 | 20681 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19139 | 1, 20681 |
| Number of properties | 7 | 5 |
| Additive primes | 1011th | 1082nd |
| Chen primes | 1078th | |
| Good primes | 249th | 258th |
| Harmonic primes | 785th | |
| Isolated primes | 1628th | |
| Long primes | 828th | |
| Primes | 2171st | 2329th |
| Pythagorean primes | 1158th | |
| Twin primes (1st member) | 329th | |
| Roman numberals | ||
| Base 2 | 1001010110000112 | 1010000110010012 |
| Base 3 | 2220202123 | 10011002223 |
| Base 4 | 102230034 | 110030214 |
| Base 5 | 11030245 | 11302115 |
| Base 6 | 2243356 | 2354256 |
| Base 7 | 1065417 | 1142037 |
| Base 8 | 453038 | 503118 |
| Base 9 | 282259 | 313289 |
| Base 10 | 1913910 | 2068110 |
| Base 11 | 1341a11 | 145a111 |
| Base 12 | b0ab12 | bb7512 |
| Base 13 | 893313 | 954b13 |
| Base 14 | 6d9114 | 777314 |
| Base 15 | 5a0e15 | 61db15 |
| Base 16 | 4ac316 | 50c916 |