Compare 61 vs 313
| Property | 61 | 313 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 611 | 3131 |
| Prime factorization | 61 | 313 |
| Divisors count | 2 | 2 |
| Divisors | 1, 61 | 1, 313 |
| Number of properties | 12 | 15 |
| Additive primes | 11th | 37th |
| Centered decagonal primes | 3rd | |
| Centered square primes | 4th | 7th |
| Cousin primes (1st member) | 19th | |
| Cuban primes 1 | 4th | |
| Happy primes | 16th | |
| Left-truncatable primes | 23rd | |
| Long primes | 8th | 24th |
| Palindromic primes | 11th | |
| Primes | 18th | 65th |
| Prime triplets (2nd member) | 19th | |
| Prime triplets (3rd member) | 18th | |
| Pythagorean primes | 8th | 30th |
| Right-truncatable primes | 18th | |
| Sexy primes (1st member) | 12th | |
| Sexy primes (2nd member) | 35th | |
| Sexy prime quadrupletss (1st member) | 4th | |
| Sexy prime triplets (1st member) | 8th | |
| Solinas primes | 15th | |
| Twin primes (2nd member) | 7th | 20th |
| Two-sided primes | 9th | |
| Roman numberals | LXI | CCCXIII |
| Base 2 | 1111012 | 1001110012 |
| Base 3 | 20213 | 1021213 |
| Base 4 | 3314 | 103214 |
| Base 5 | 2215 | 22235 |
| Base 6 | 1416 | 12416 |
| Base 7 | 1157 | 6257 |
| Base 8 | 758 | 4718 |
| Base 9 | 679 | 3779 |
| Base 10 | 6110 | 31310 |
| Base 11 | 5611 | 26511 |
| Base 12 | 5112 | 22112 |
| Base 13 | 4913 | 1b113 |
| Base 14 | 4514 | 18514 |
| Base 15 | 4115 | 15d15 |
| Base 16 | 3d16 | 13916 |