Compare 61 vs 167
| Property | 61 | 167 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 611 | 1671 |
| Prime factorization | 61 | 167 |
| Divisors count | 2 | 2 |
| Divisors | 1, 61 | 1, 167 |
| Number of properties | 12 | 11 |
| Additive primes | 11th | |
| Centered decagonal primes | 3rd | |
| Centered square primes | 4th | |
| Chen primes | 31st | |
| Cousin primes (2nd member) | 13th | |
| Cuban primes 1 | 4th | |
| Emirps | 13th | |
| Happy primes | 11th | |
| Isolated primes | 16th | |
| Left-truncatable primes | 18th | |
| Long primes | 8th | 14th |
| Primes | 18th | 39th |
| Pythagorean primes | 8th | |
| Safe primes | 9th | |
| Sexy primes (1st member) | 12th | 23rd |
| Sexy prime quadrupletss (1st member) | 4th | |
| Sexy prime triplets (1st member) | 8th | 13th |
| Solinas primes | 15th | |
| Twin primes (2nd member) | 7th | |
| Roman numberals | LXI | CLXVII |
| Base 2 | 1111012 | 101001112 |
| Base 3 | 20213 | 200123 |
| Base 4 | 3314 | 22134 |
| Base 5 | 2215 | 11325 |
| Base 6 | 1416 | 4356 |
| Base 7 | 1157 | 3267 |
| Base 8 | 758 | 2478 |
| Base 9 | 679 | 2059 |
| Base 10 | 6110 | 16710 |
| Base 11 | 5611 | 14211 |
| Base 12 | 5112 | 11b12 |
| Base 13 | 4913 | cb13 |
| Base 14 | 4514 | bd14 |
| Base 15 | 4115 | b215 |
| Base 16 | 3d16 | a716 |