Compare 199 vs 207
| Property | 199 | 207 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 3 |
| Prime factorization | 1991 | 32 × 231 |
| Prime factorization | 199 | 3 × 3 × 23 |
| Divisors count | 2 | 6 |
| Divisors | 1, 199 | 1, 3, 9, 23, 69, 207 |
| Number of properties | 10 | 0 |
| 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 | CXCIX | CCVII |
| Base 2 | 110001112 | 110011112 |
| Base 3 | 211013 | 212003 |
| Base 4 | 30134 | 30334 |
| Base 5 | 12445 | 13125 |
| Base 6 | 5316 | 5436 |
| Base 7 | 4037 | 4147 |
| Base 8 | 3078 | 3178 |
| Base 9 | 2419 | 2509 |
| Base 10 | 19910 | 20710 |
| Base 11 | 17111 | 17911 |
| Base 12 | 14712 | 15312 |
| Base 13 | 12413 | 12c13 |
| Base 14 | 10314 | 10b14 |
| Base 15 | d415 | dc15 |
| Base 16 | c716 | cf16 |