Compare 122 vs 131
| Property | 122 | 131 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 611 | 1311 |
| Prime factorization | 2 × 61 | 131 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 61, 122 | 1, 131 |
| Number of properties | 1 | 12 |
| Additive primes | 17th | |
| Chen primes | 26th | |
| Cousin primes (2nd member) | 12th | |
| Isolated primes | 13th | |
| Long primes | 12th | |
| Multiplicative primes | 10th | |
| Palindromic primes | 7th | |
| Primes | 32nd | |
| Semiprimes | 41st | |
| Sexy primes (1st member) | 20th | |
| Solinas primes | 23rd | |
| Sophie germain primes | 12th | |
| Ulam primes | 8th | |
| Roman numberals | CXXII | CXXXI |
| Base 2 | 11110102 | 100000112 |
| Base 3 | 111123 | 112123 |
| Base 4 | 13224 | 20034 |
| Base 5 | 4425 | 10115 |
| Base 6 | 3226 | 3356 |
| Base 7 | 2337 | 2457 |
| Base 8 | 1728 | 2038 |
| Base 9 | 1459 | 1559 |
| Base 10 | 12210 | 13110 |
| Base 11 | 10111 | 10a11 |
| Base 12 | a212 | ab12 |
| Base 13 | 9513 | a113 |
| Base 14 | 8a14 | 9514 |
| Base 15 | 8215 | 8b15 |
| Base 16 | 7a16 | 8316 |