Compare 239 vs 249
| Property | 239 | 249 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2391 | 31 × 831 |
| Prime factorization | 239 | 3 × 83 |
| Divisors count | 2 | 4 |
| Divisors | 1, 239 | 1, 3, 83, 249 |
| Number of properties | 10 | 1 |
| Chen primes | 40th | |
| Happy primes | 13th | |
| Harmonic primes | 18th | |
| Primes | 52nd | |
| Right-truncatable primes | 15th | |
| Semiprimes | 80th | |
| 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 | CCXLIX |
| Base 2 | 111011112 | 111110012 |
| Base 3 | 222123 | 1000203 |
| Base 4 | 32334 | 33214 |
| Base 5 | 14245 | 14445 |
| Base 6 | 10356 | 10536 |
| Base 7 | 4617 | 5047 |
| Base 8 | 3578 | 3718 |
| Base 9 | 2859 | 3069 |
| Base 10 | 23910 | 24910 |
| Base 11 | 1a811 | 20711 |
| Base 12 | 17b12 | 18912 |
| Base 13 | 15513 | 16213 |
| Base 14 | 13114 | 13b14 |
| Base 15 | 10e15 | 11915 |
| Base 16 | ef16 | f916 |