Compare 139 vs 239
| Property | 139 | 239 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1391 | 2391 |
| Prime factorization | 139 | 239 |
| Divisors count | 2 | 2 |
| Divisors | 1, 139 | 1, 239 |
| Number of properties | 6 | 10 |
| Additive primes | 19th | |
| Chen primes | 28th | 40th |
| Happy primes | 10th | 13th |
| Harmonic primes | 11th | 18th |
| Primes | 34th | 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 | |
| Twin primes (2nd member) | 11th | |
| Roman numberals | CXXXIX | CCXXXIX |
| Base 2 | 100010112 | 111011112 |
| Base 3 | 120113 | 222123 |
| Base 4 | 20234 | 32334 |
| Base 5 | 10245 | 14245 |
| Base 6 | 3516 | 10356 |
| Base 7 | 2567 | 4617 |
| Base 8 | 2138 | 3578 |
| Base 9 | 1649 | 2859 |
| Base 10 | 13910 | 23910 |
| Base 11 | 11711 | 1a811 |
| Base 12 | b712 | 17b12 |
| Base 13 | a913 | 15513 |
| Base 14 | 9d14 | 13114 |
| Base 15 | 9415 | 10e15 |
| Base 16 | 8b16 | ef16 |