Compare 18912 vs 18919
| Property | 18912 | 18919 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 25 × 31 × 1971 | 189191 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 3 × 197 | 18919 |
| Divisors count | 24 | 2 |
| Divisors | 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 197, 394, 591, 788, 1182, 1576, 2364, 3152, 4728, 6304, 9456, 18912 | 1, 18919 |
| Number of properties | 0 | 6 |
| Harmonic primes | 777th | |
| Primes | 2154th | |
| Prime quadruplets (4th member) | 18th | |
| Prime triplets (3rd member) | 162nd | |
| Sexy primes (2nd member) | 659th | |
| Twin primes (2nd member) | 327th | |
| Roman numberals | ||
| Base 2 | 1001001111000002 | 1001001111001112 |
| Base 3 | 2212211103 | 2212212013 |
| Base 4 | 102132004 | 102132134 |
| Base 5 | 11011225 | 11011345 |
| Base 6 | 2233206 | 2233316 |
| Base 7 | 1060657 | 1061057 |
| Base 8 | 447408 | 447478 |
| Base 9 | 278439 | 278519 |
| Base 10 | 1891210 | 1891910 |
| Base 11 | 1323311 | 1323a11 |
| Base 12 | ab4012 | ab4712 |
| Base 13 | 87ba13 | 87c413 |
| Base 14 | 6c6c14 | 6c7514 |
| Base 15 | 590c15 | 591415 |
| Base 16 | 49e016 | 49e716 |