Compare 19813 vs 20101
| Property | 19813 | 20101 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 198131 | 201011 |
| Prime factorization | 19813 | 20101 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19813 | 1, 20101 |
| Number of properties | 6 | 8 |
| Chen primes | 1117th | |
| Emirps | 624th | |
| Harmonic primes | 811th | |
| Isolated primes | 1567th | 1587th |
| Long primes | 869th | |
| Lucky primes | 370th | |
| Primes | 2242nd | 2272nd |
| Pythagorean primes | 1114th | 1129th |
| Sexy primes (1st member) | 689th | 695th |
| Sexy prime triplets (1st member) | 191st | |
| Roman numberals | ||
| Base 2 | 1001101011001012 | 1001110100001012 |
| Base 3 | 10000112113 | 10001201113 |
| Base 4 | 103112114 | 103220114 |
| Base 5 | 11132235 | 11204015 |
| Base 6 | 2314216 | 2330216 |
| Base 7 | 1115237 | 1124147 |
| Base 8 | 465458 | 472058 |
| Base 9 | 301549 | 305149 |
| Base 10 | 1981310 | 2010110 |
| Base 11 | 1398211 | 1411411 |
| Base 12 | b57112 | b77112 |
| Base 13 | 903113 | 91c313 |
| Base 14 | 731314 | 747b14 |
| Base 15 | 5d0d15 | 5e5115 |
| Base 16 | 4d6516 | 4e8516 |