Compare 127 vs 133
| Property | 127 | 133 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 1271 | 71 × 191 |
| Prime factorization | 127 | 7 × 19 |
| Divisors count | 2 | 4 |
| Divisors | 1, 127 | 1, 7, 19, 133 |
| Number of properties | 13 | 1 |
| Chen primes | 25th | |
| Class 1+ primes | 13th | |
| Cousin primes (1st member) | 12th | |
| Cuban primes 1 | 5th | |
| Double mersenne primes | 2nd | |
| Good primes | 13th | |
| Isolated primes | 12th | |
| Lucky primes | 10th | |
| Mersenne primes | 4th | |
| Pierpont primes of the 2nd kind | 13th | |
| Primes | 31st | |
| Semiprimes | 44th | |
| Solinas primes | 22nd | |
| Super primes | 11th | |
| Roman numberals | CXXVII | CXXXIII |
| Base 2 | 11111112 | 100001012 |
| Base 3 | 112013 | 112213 |
| Base 4 | 13334 | 20114 |
| Base 5 | 10025 | 10135 |
| Base 6 | 3316 | 3416 |
| Base 7 | 2417 | 2507 |
| Base 8 | 1778 | 2058 |
| Base 9 | 1519 | 1579 |
| Base 10 | 12710 | 13310 |
| Base 11 | 10611 | 11111 |
| Base 12 | a712 | b112 |
| Base 13 | 9a13 | a313 |
| Base 14 | 9114 | 9714 |
| Base 15 | 8715 | 8d15 |
| Base 16 | 7f16 | 8516 |