Compare 64 vs 67
| Property | 64 | 67 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 1 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 26 | 671 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 | 67 |
| Divisors count | 7 | 2 |
| Divisors | 1, 2, 4, 8, 16, 32, 64 | 1, 67 |
| Number of properties | 0 | 17 |
| Additive primes | 12th | |
| Chen primes | 17th | |
| Cousin primes (1st member) | 7th | |
| Good primes | 9th | |
| Harmonic primes | 6th | |
| Isolated primes | 6th | |
| Left-truncatable primes | 12th | |
| Lucky primes | 7th | |
| Primes | 19th | |
| 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 | |
| Roman numberals | LXIV | LXVII |
| Base 2 | 10000002 | 10000112 |
| Base 3 | 21013 | 21113 |
| Base 4 | 10004 | 10034 |
| Base 5 | 2245 | 2325 |
| Base 6 | 1446 | 1516 |
| Base 7 | 1217 | 1247 |
| Base 8 | 1008 | 1038 |
| Base 9 | 719 | 749 |
| Base 10 | 6410 | 6710 |
| Base 11 | 5911 | 6111 |
| Base 12 | 5412 | 5712 |
| Base 13 | 4c13 | 5213 |
| Base 14 | 4814 | 4b14 |
| Base 15 | 4415 | 4715 |
| Base 16 | 4016 | 4316 |