Compare 127 vs 397
| Property | 127 | 397 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1271 | 3971 |
| Prime factorization | 127 | 397 |
| Divisors count | 2 | 2 |
| Divisors | 1, 127 | 1, 397 |
| Number of properties | 13 | 8 |
| Additive primes | 45th | |
| Chen primes | 25th | |
| Class 1+ primes | 13th | |
| Cousin primes (1st member) | 12th | 22nd |
| Cuban primes 1 | 5th | 8th |
| Double mersenne primes | 2nd | |
| Good primes | 13th | |
| Happy primes | 21st | |
| Isolated primes | 12th | 37th |
| Left-truncatable primes | 31st | |
| Lucky primes | 10th | |
| Mersenne primes | 4th | |
| Pierpont primes of the 2nd kind | 13th | |
| Primes | 31st | 78th |
| Pythagorean primes | 37th | |
| Solinas primes | 22nd | |
| Super primes | 11th | |
| Roman numberals | CXXVII | CCCXCVII |
| Base 2 | 11111112 | 1100011012 |
| Base 3 | 112013 | 1122013 |
| Base 4 | 13334 | 120314 |
| Base 5 | 10025 | 30425 |
| Base 6 | 3316 | 15016 |
| Base 7 | 2417 | 11057 |
| Base 8 | 1778 | 6158 |
| Base 9 | 1519 | 4819 |
| Base 10 | 12710 | 39710 |
| Base 11 | 10611 | 33111 |
| Base 12 | a712 | 29112 |
| Base 13 | 9a13 | 24713 |
| Base 14 | 9114 | 20514 |
| Base 15 | 8715 | 1b715 |
| Base 16 | 7f16 | 18d16 |