Compare 69 vs 79
| Property | 69 | 79 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 231 | 791 |
| Prime factorization | 3 × 23 | 79 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 23, 69 | 1, 79 |
| Number of properties | 1 | 13 |
| Cousin primes (1st member) | 8th | |
| Emirps | 7th | |
| Happy primes | 6th | |
| Harmonic primes | 8th | |
| Isolated primes | 7th | |
| Kynea primes | 4th | |
| Lucky primes | 9th | |
| Primes | 22nd | |
| Right-truncatable primes | 13th | |
| Semiprimes | 24th | |
| Sexy primes (2nd member) | 14th | |
| Sexy prime quadrupletss (4th member) | 4th | |
| Sexy prime triplets (3rd member) | 9th | |
| Solinas primes | 19th | |
| Roman numberals | LXIX | LXXIX |
| Base 2 | 10001012 | 10011112 |
| Base 3 | 21203 | 22213 |
| Base 4 | 10114 | 10334 |
| Base 5 | 2345 | 3045 |
| Base 6 | 1536 | 2116 |
| Base 7 | 1267 | 1427 |
| Base 8 | 1058 | 1178 |
| Base 9 | 769 | 879 |
| Base 10 | 6910 | 7910 |
| Base 11 | 6311 | 7211 |
| Base 12 | 5912 | 6712 |
| Base 13 | 5413 | 6113 |
| Base 14 | 4d14 | 5914 |
| Base 15 | 4915 | 5415 |
| Base 16 | 4516 | 4f16 |