Compare 19919 vs 20789
| Property | 19919 | 20789 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 199191 | 207891 |
| Prime factorization | 19919 | 20789 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19919 | 1, 20789 |
| Number of properties | 7 | 7 |
| Additive primes | 1046th | |
| Chen primes | 1107th | 1153rd |
| Harmonic primes | 816th | 857th |
| Isolated primes | 1573rd | 1635th |
| Long primes | 889th | |
| Primes | 2252nd | 2342nd |
| Pythagorean primes | 1164th | |
| Sexy primes (2nd member) | 691st | |
| Sophie germain primes | 325th | 337th |
| Roman numberals | ||
| Base 2 | 1001101110011112 | 1010001001101012 |
| Base 3 | 10000222023 | 10011112223 |
| Base 4 | 103130334 | 110103114 |
| Base 5 | 11141345 | 11311245 |
| Base 6 | 2321156 | 2401256 |
| Base 7 | 1120347 | 1144167 |
| Base 8 | 467178 | 504658 |
| Base 9 | 302829 | 314589 |
| Base 10 | 1991910 | 2078910 |
| Base 11 | 13a6911 | 1468a11 |
| Base 12 | b63b12 | 1004512 |
| Base 13 | 90b313 | 960213 |
| Base 14 | 738b14 | 780d14 |
| Base 15 | 5d7e15 | 625e15 |
| Base 16 | 4dcf16 | 513516 |