Compare 121609 vs 121909
| Property | 121609 | 121909 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1216091 | 1219091 |
| Prime factorization | 121609 | 121909 |
| Divisors count | 2 | 2 |
| Divisors | 1, 121609 | 1, 121909 |
| Number of properties | 7 | 5 |
| Additive primes | 4712th | |
| Chen primes | 4973rd | |
| Emirps | 2249th | |
| Harmonic primes | 4323rd | |
| Isolated primes | 8587th | |
| Long primes | 4293rd | |
| Primes | 11447th | 11466th |
| Pythagorean primes | 5692nd | 5702nd |
| Super primes | 1381st | |
| Twin primes (2nd member) | 1438th | |
| Roman numberals | ||
| Base 2 | 111011011000010012 | 111011100001101012 |
| Base 3 | 200112110013 | 200120200113 |
| Base 4 | 1312300214 | 1313003114 |
| Base 5 | 123424145 | 124001145 |
| Base 6 | 23350016 | 23402216 |
| Base 7 | 10143557 | 10152647 |
| Base 8 | 3554118 | 3560658 |
| Base 9 | 2047319 | 2052049 |
| Base 10 | 12160910 | 12190910 |
| Base 11 | 8340411 | 8365711 |
| Base 12 | 5a46112 | 5a67112 |
| Base 13 | 4347713 | 4364813 |
| Base 14 | 3246514 | 325db14 |
| Base 15 | 2607415 | 261c415 |
| Base 16 | 1db0916 | 1dc3516 |