Compare 127 vs 181
| Property | 127 | 181 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1271 | 1811 |
| Prime factorization | 127 | 181 |
| Divisors count | 2 | 2 |
| Divisors | 1, 127 | 1, 181 |
| Number of properties | 13 | 8 |
| Centered square primes | 6th | |
| Chen primes | 25th | 33rd |
| Class 1+ primes | 13th | |
| Cousin primes (1st member) | 12th | |
| Cuban primes 1 | 5th | |
| Dihedral primes | 5th | |
| Double mersenne primes | 2nd | |
| Good primes | 13th | |
| Isolated primes | 12th | |
| Long primes | 16th | |
| Lucky primes | 10th | |
| Mersenne primes | 4th | |
| Palindromic primes | 9th | |
| Pierpont primes of the 2nd kind | 13th | |
| Primes | 31st | 42nd |
| Pythagorean primes | 19th | |
| Solinas primes | 22nd | |
| Super primes | 11th | |
| Twin primes (2nd member) | 13th | |
| Roman numberals | CXXVII | CLXXXI |
| Base 2 | 11111112 | 101101012 |
| Base 3 | 112013 | 202013 |
| Base 4 | 13334 | 23114 |
| Base 5 | 10025 | 12115 |
| Base 6 | 3316 | 5016 |
| Base 7 | 2417 | 3467 |
| Base 8 | 1778 | 2658 |
| Base 9 | 1519 | 2219 |
| Base 10 | 12710 | 18110 |
| Base 11 | 10611 | 15511 |
| Base 12 | a712 | 13112 |
| Base 13 | 9a13 | 10c13 |
| Base 14 | 9114 | cd14 |
| Base 15 | 8715 | c115 |
| Base 16 | 7f16 | b516 |