Compare 239 vs 281
| Property | 239 | 281 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2391 | 2811 |
| Prime factorization | 239 | 281 |
| Divisors count | 2 | 2 |
| Divisors | 1, 239 | 1, 281 |
| Number of properties | 10 | 10 |
| Additive primes | 34th | |
| Centered decagonal primes | 7th | |
| Chen primes | 40th | 45th |
| Cousin primes (2nd member) | 17th | |
| Happy primes | 13th | |
| Harmonic primes | 18th | 23rd |
| Primes | 52nd | 60th |
| Prime triplets (2nd member) | 17th | |
| Pythagorean primes | 28th | |
| Right-truncatable primes | 15th | |
| Sexy primes (2nd member) | 29th | |
| Sexy prime triplets (3rd member) | 14th | |
| Solinas primes | 28th | |
| Sophie germain primes | 17th | 19th |
| Twin primes (1st member) | 17th | 19th |
| Roman numberals | CCXXXIX | CCLXXXI |
| Base 2 | 111011112 | 1000110012 |
| Base 3 | 222123 | 1011023 |
| Base 4 | 32334 | 101214 |
| Base 5 | 14245 | 21115 |
| Base 6 | 10356 | 11456 |
| Base 7 | 4617 | 5517 |
| Base 8 | 3578 | 4318 |
| Base 9 | 2859 | 3429 |
| Base 10 | 23910 | 28110 |
| Base 11 | 1a811 | 23611 |
| Base 12 | 17b12 | 1b512 |
| Base 13 | 15513 | 18813 |
| Base 14 | 13114 | 16114 |
| Base 15 | 10e15 | 13b15 |
| Base 16 | ef16 | 11916 |