Compare 121908 vs 121909
| Property | 121908 | 121909 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 31 × 101591 | 1219091 |
| Prime factorization | 2 × 2 × 3 × 10159 | 121909 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 3, 4, 6, 12, 10159, 20318, 30477, 40636, 60954, 121908 | 1, 121909 |
| Number of properties | 0 | 5 |
| Chen primes | 4973rd | |
| Isolated primes | 8587th | |
| Long primes | 4293rd | |
| Primes | 11466th | |
| Pythagorean primes | 5702nd | |
| Roman numberals | ||
| Base 2 | 111011100001101002 | 111011100001101012 |
| Base 3 | 200120200103 | 200120200113 |
| Base 4 | 1313003104 | 1313003114 |
| Base 5 | 124001135 | 124001145 |
| Base 6 | 23402206 | 23402216 |
| Base 7 | 10152637 | 10152647 |
| Base 8 | 3560648 | 3560658 |
| Base 9 | 2052039 | 2052049 |
| Base 10 | 12190810 | 12190910 |
| Base 11 | 8365611 | 8365711 |
| Base 12 | 5a67012 | 5a67112 |
| Base 13 | 4364713 | 4364813 |
| Base 14 | 325da14 | 325db14 |
| Base 15 | 261c315 | 261c415 |
| Base 16 | 1dc3416 | 1dc3516 |