Compare 199 vs 631
| Property | 199 | 631 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1991 | 6311 |
| Prime factorization | 199 | 631 |
| Divisors count | 2 | 2 |
| Divisors | 1, 199 | 1, 631 |
| Number of properties | 10 | 6 |
| Additive primes | 27th | |
| Centered triangular primes | 4th | 7th |
| Chen primes | 36th | 80th |
| Cuban primes 1 | 10th | |
| Emirps | 15th | |
| Isolated primes | 60th | |
| Lucas primes | 7th | |
| Lucky primes | 32nd | |
| Primes | 46th | 115th |
| Prime quadruplets (4th member) | 4th | |
| Prime triplets (3rd member) | 14th | |
| Sexy primes (2nd member) | 26th | |
| Twin primes (2nd member) | 15th | |
| Roman numberals | CXCIX | DCXXXI |
| Base 2 | 110001112 | 10011101112 |
| Base 3 | 211013 | 2121013 |
| Base 4 | 30134 | 213134 |
| Base 5 | 12445 | 100115 |
| Base 6 | 5316 | 25316 |
| Base 7 | 4037 | 15617 |
| Base 8 | 3078 | 11678 |
| Base 9 | 2419 | 7719 |
| Base 10 | 19910 | 63110 |
| Base 11 | 17111 | 52411 |
| Base 12 | 14712 | 44712 |
| Base 13 | 12413 | 39713 |
| Base 14 | 10314 | 33114 |
| Base 15 | d415 | 2c115 |
| Base 16 | c716 | 27716 |