Compare 189 vs 199
| Property | 189 | 199 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 33 × 71 | 1991 |
| Prime factorization | 3 × 3 × 3 × 7 | 199 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 7, 9, 21, 27, 63, 189 | 1, 199 |
| Number of properties | 0 | 10 |
| Additive primes | 27th | |
| Centered triangular primes | 4th | |
| Chen primes | 36th | |
| Emirps | 15th | |
| Lucas primes | 7th | |
| Primes | 46th | |
| Prime quadruplets (4th member) | 4th | |
| Prime triplets (3rd member) | 14th | |
| Sexy primes (2nd member) | 26th | |
| Twin primes (2nd member) | 15th | |
| Roman numberals | CLXXXIX | CXCIX |
| Base 2 | 101111012 | 110001112 |
| Base 3 | 210003 | 211013 |
| Base 4 | 23314 | 30134 |
| Base 5 | 12245 | 12445 |
| Base 6 | 5136 | 5316 |
| Base 7 | 3607 | 4037 |
| Base 8 | 2758 | 3078 |
| Base 9 | 2309 | 2419 |
| Base 10 | 18910 | 19910 |
| Base 11 | 16211 | 17111 |
| Base 12 | 13912 | 14712 |
| Base 13 | 11713 | 12413 |
| Base 14 | d714 | 10314 |
| Base 15 | c915 | d415 |
| Base 16 | bd16 | c716 |