Compare 67 vs 139
| Property | 67 | 139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 671 | 1391 |
| Prime factorization | 67 | 139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 67 | 1, 139 |
| Number of properties | 17 | 6 |
| Additive primes | 12th | 19th |
| Chen primes | 17th | 28th |
| Cousin primes (1st member) | 7th | |
| Good primes | 9th | |
| Happy primes | 10th | |
| Harmonic primes | 6th | 11th |
| Isolated primes | 6th | |
| Left-truncatable primes | 12th | |
| Lucky primes | 7th | |
| Primes | 19th | 34th |
| Prime triplets (1st member) | 8th | |
| Sexy primes (1st member) | 13th | |
| Sexy primes (2nd member) | 12th | |
| Sexy prime quadrupletss (2nd member) | 4th | |
| Sexy prime triplets (1st member) | 9th | |
| Sexy prime triplets (2nd member) | 8th | |
| Solinas primes | 16th | |
| Super primes | 8th | |
| Twin primes (2nd member) | 11th | |
| Roman numberals | LXVII | CXXXIX |
| Base 2 | 10000112 | 100010112 |
| Base 3 | 21113 | 120113 |
| Base 4 | 10034 | 20234 |
| Base 5 | 2325 | 10245 |
| Base 6 | 1516 | 3516 |
| Base 7 | 1247 | 2567 |
| Base 8 | 1038 | 2138 |
| Base 9 | 749 | 1649 |
| Base 10 | 6710 | 13910 |
| Base 11 | 6111 | 11711 |
| Base 12 | 5712 | b712 |
| Base 13 | 5213 | a913 |
| Base 14 | 4b14 | 9d14 |
| Base 15 | 4715 | 9415 |
| Base 16 | 4316 | 8b16 |