Compare 189 vs 193
| Property | 189 | 193 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 33 × 71 | 1931 |
| Prime factorization | 3 × 3 × 3 × 7 | 193 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 9, 21, 27, 63, 189 | 1, 193 |
| Number of properties | 0 | 18 |
| Additive primes | 25th | |
| Cousin primes (1st member) | 14th | |
| Cuban primes 2 | 3rd | |
| Happy primes | 12th | |
| Harmonic primes | 16th | |
| Long primes | 17th | |
| Lucky primes | 13th | |
| Pierpont primes | 13th | |
| Primes | 44th | |
| Prime quadruplets (2nd member) | 4th | |
| Prime triplets (1st member) | 14th | |
| Prime triplets (2nd member) | 13th | |
| Proth primes | 8th | |
| Pythagorean primes | 20th | |
| Sexy primes (1st member) | 26th | |
| Solinas primes | 26th | |
| Thabit primes of the 2nd kind | 4th | |
| Twin primes (2nd member) | 14th | |
| Roman numberals | CLXXXIX | CXCIII |
| Base 2 | 101111012 | 110000012 |
| Base 3 | 210003 | 210113 |
| Base 4 | 23314 | 30014 |
| Base 5 | 12245 | 12335 |
| Base 6 | 5136 | 5216 |
| Base 7 | 3607 | 3647 |
| Base 8 | 2758 | 3018 |
| Base 9 | 2309 | 2349 |
| Base 10 | 18910 | 19310 |
| Base 11 | 16211 | 16611 |
| Base 12 | 13912 | 14112 |
| Base 13 | 11713 | 11b13 |
| Base 14 | d714 | db14 |
| Base 15 | c915 | cd15 |
| Base 16 | bd16 | c116 |