Compare 19919 vs 20101
| Property | 19919 | 20101 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 199191 | 201011 |
| Prime factorization | 19919 | 20101 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19919 | 1, 20101 |
| Number of properties | 7 | 8 |
| Additive primes | 1046th | |
| Chen primes | 1107th | 1117th |
| Harmonic primes | 816th | |
| Isolated primes | 1573rd | 1587th |
| Long primes | 869th | |
| Lucky primes | 370th | |
| Primes | 2252nd | 2272nd |
| Pythagorean primes | 1129th | |
| Sexy primes (1st member) | 695th | |
| Sexy primes (2nd member) | 691st | |
| Sexy prime triplets (1st member) | 191st | |
| Sophie germain primes | 325th | |
| Roman numberals | ||
| Base 2 | 1001101110011112 | 1001110100001012 |
| Base 3 | 10000222023 | 10001201113 |
| Base 4 | 103130334 | 103220114 |
| Base 5 | 11141345 | 11204015 |
| Base 6 | 2321156 | 2330216 |
| Base 7 | 1120347 | 1124147 |
| Base 8 | 467178 | 472058 |
| Base 9 | 302829 | 305149 |
| Base 10 | 1991910 | 2010110 |
| Base 11 | 13a6911 | 1411411 |
| Base 12 | b63b12 | b77112 |
| Base 13 | 90b313 | 91c313 |
| Base 14 | 738b14 | 747b14 |
| Base 15 | 5d7e15 | 5e5115 |
| Base 16 | 4dcf16 | 4e8516 |