Compare 19919 vs 20393
| Property | 19919 | 20393 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 199191 | 203931 |
| Prime factorization | 19919 | 20393 |
| Divisors count | 2 | 2 |
| Divisors | 1, 19919 | 1, 20393 |
| Number of properties | 7 | 11 |
| Additive primes | 1046th | 1070th |
| Chen primes | 1107th | 1132nd |
| Cousin primes (2nd member) | 351st | |
| Happy primes | 383rd | |
| Harmonic primes | 816th | 839th |
| Isolated primes | 1573rd | 1613th |
| Long primes | 879th | |
| Primes | 2252nd | 2304th |
| Pythagorean primes | 1149th | |
| Sexy primes (1st member) | 705th | |
| Sexy primes (2nd member) | 691st | |
| Sophie germain primes | 325th | 330th |
| Roman numberals | ||
| Base 2 | 1001101110011112 | 1001111101010012 |
| Base 3 | 10000222023 | 10002220223 |
| Base 4 | 103130334 | 103322214 |
| Base 5 | 11141345 | 11230335 |
| Base 6 | 2321156 | 2342256 |
| Base 7 | 1120347 | 1133127 |
| Base 8 | 467178 | 476518 |
| Base 9 | 302829 | 308689 |
| Base 10 | 1991910 | 2039310 |
| Base 11 | 13a6911 | 1435a11 |
| Base 12 | b63b12 | b97512 |
| Base 13 | 90b313 | 938913 |
| Base 14 | 738b14 | 760914 |
| Base 15 | 5d7e15 | 609815 |
| Base 16 | 4dcf16 | 4fa916 |