Compare 239 vs 397
| Property | 239 | 397 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2391 | 3971 |
| Prime factorization | 239 | 397 |
| Divisors count | 2 | 2 |
| Divisors | 1, 239 | 1, 397 |
| Number of properties | 10 | 8 |
| Additive primes | 45th | |
| Chen primes | 40th | |
| Cousin primes (1st member) | 22nd | |
| Cuban primes 1 | 8th | |
| Happy primes | 13th | 21st |
| Harmonic primes | 18th | |
| Isolated primes | 37th | |
| Left-truncatable primes | 31st | |
| Primes | 52nd | 78th |
| Pythagorean primes | 37th | |
| Right-truncatable primes | 15th | |
| Sexy primes (2nd member) | 29th | |
| Sexy prime triplets (3rd member) | 14th | |
| Solinas primes | 28th | |
| Sophie germain primes | 17th | |
| Twin primes (1st member) | 17th | |
| Roman numberals | CCXXXIX | CCCXCVII |
| Base 2 | 111011112 | 1100011012 |
| Base 3 | 222123 | 1122013 |
| Base 4 | 32334 | 120314 |
| Base 5 | 14245 | 30425 |
| Base 6 | 10356 | 15016 |
| Base 7 | 4617 | 11057 |
| Base 8 | 3578 | 6158 |
| Base 9 | 2859 | 4819 |
| Base 10 | 23910 | 39710 |
| Base 11 | 1a811 | 33111 |
| Base 12 | 17b12 | 29112 |
| Base 13 | 15513 | 24713 |
| Base 14 | 13114 | 20514 |
| Base 15 | 10e15 | 1b715 |
| Base 16 | ef16 | 18d16 |