Compare 61 vs 127
| Property | 61 | 127 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 611 | 1271 |
| Prime factorization | 61 | 127 |
| Divisors count | 2 | 2 |
| Divisors | 1, 61 | 1, 127 |
| Number of properties | 12 | 13 |
| Additive primes | 11th | |
| Centered decagonal primes | 3rd | |
| Centered square primes | 4th | |
| Chen primes | 25th | |
| Class 1+ primes | 13th | |
| Cousin primes (1st member) | 12th | |
| Cuban primes 1 | 4th | 5th |
| Double mersenne primes | 2nd | |
| Good primes | 13th | |
| Isolated primes | 12th | |
| Long primes | 8th | |
| Lucky primes | 10th | |
| Mersenne primes | 4th | |
| Pierpont primes of the 2nd kind | 13th | |
| Primes | 18th | 31st |
| Pythagorean primes | 8th | |
| Sexy primes (1st member) | 12th | |
| Sexy prime quadrupletss (1st member) | 4th | |
| Sexy prime triplets (1st member) | 8th | |
| Solinas primes | 15th | 22nd |
| Super primes | 11th | |
| Twin primes (2nd member) | 7th | |
| Roman numberals | LXI | CXXVII |
| Base 2 | 1111012 | 11111112 |
| Base 3 | 20213 | 112013 |
| Base 4 | 3314 | 13334 |
| Base 5 | 2215 | 10025 |
| Base 6 | 1416 | 3316 |
| Base 7 | 1157 | 2417 |
| Base 8 | 758 | 1778 |
| Base 9 | 679 | 1519 |
| Base 10 | 6110 | 12710 |
| Base 11 | 5611 | 10611 |
| Base 12 | 5112 | a712 |
| Base 13 | 4913 | 9a13 |
| Base 14 | 4514 | 9114 |
| Base 15 | 4115 | 8715 |
| Base 16 | 3d16 | 7f16 |