Compare 19888 vs 19889
| Property | 19888 | 19889 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 24 × 111 × 1131 | 198891 |
| Prime factorization | 2 × 2 × 2 × 2 × 11 × 113 | 19889 |
| Divisors count | 20 | 2 |
| Divisors | 1, 2, 4, 8, 11, 16, 22, 44, 88, 113, 176, 226, 452, 904, 1243, 1808, 2486, 4972, 9944, 19888 | 1, 19889 |
| Number of properties | 0 | 8 |
| Chen primes | 1106th | |
| Good primes | 255th | |
| Happy primes | 374th | |
| Harmonic primes | 814th | |
| Primes | 2249th | |
| Pythagorean primes | 1118th | |
| Sophie germain primes | 323rd | |
| Twin primes (1st member) | 340th | |
| Roman numberals | ||
| Base 2 | 1001101101100002 | 1001101101100012 |
| Base 3 | 10000211213 | 10000211223 |
| Base 4 | 103123004 | 103123014 |
| Base 5 | 11140235 | 11140245 |
| Base 6 | 2320246 | 2320256 |
| Base 7 | 1116617 | 1116627 |
| Base 8 | 466608 | 466618 |
| Base 9 | 302479 | 302489 |
| Base 10 | 1988810 | 1988910 |
| Base 11 | 13a4011 | 13a4111 |
| Base 12 | b61412 | b61512 |
| Base 13 | 908b13 | 908c13 |
| Base 14 | 736814 | 736914 |
| Base 15 | 5d5d15 | 5d5e15 |
| Base 16 | 4db016 | 4db116 |