Compare 239 vs 243
| Property | 239 | 243 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 1 |
| Total factors | 1 | 5 |
| Prime factorization | 2391 | 35 |
| Prime factorization | 239 | 3 × 3 × 3 × 3 × 3 |
| Divisors count | 2 | 6 |
| Divisors | 1, 239 | 1, 3, 9, 27, 81, 243 |
| Number of properties | 10 | 0 |
| Chen primes | 40th | |
| Happy primes | 13th | |
| Harmonic primes | 18th | |
| Primes | 52nd | |
| 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 | CCXLIII |
| Base 2 | 111011112 | 111100112 |
| Base 3 | 222123 | 1000003 |
| Base 4 | 32334 | 33034 |
| Base 5 | 14245 | 14335 |
| Base 6 | 10356 | 10436 |
| Base 7 | 4617 | 4657 |
| Base 8 | 3578 | 3638 |
| Base 9 | 2859 | 3009 |
| Base 10 | 23910 | 24310 |
| Base 11 | 1a811 | 20111 |
| Base 12 | 17b12 | 18312 |
| Base 13 | 15513 | 15913 |
| Base 14 | 13114 | 13514 |
| Base 15 | 10e15 | 11315 |
| Base 16 | ef16 | f316 |