Compare 121 vs 131
Property | 121 | 131 |
---|---|---|
Type | semiprime | prime |
Unique factors | 1 | 1 |
Total factors | 2 | 1 |
Prime factorization | 112 | 1311 |
Prime factorization | 11 × 11 | 131 |
Divisors count | 3 | 2 |
Divisors | 1, 11, 121 | 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 | 40th | |
Sexy primes (1st member) | 20th | |
Solinas primes | 23rd | |
Sophie germain primes | 12th | |
Ulam primes | 8th | |
Roman numberals | CXXI | CXXXI |
Base 2 | 11110012 | 100000112 |
Base 3 | 111113 | 112123 |
Base 4 | 13214 | 20034 |
Base 5 | 4415 | 10115 |
Base 6 | 3216 | 3356 |
Base 7 | 2327 | 2457 |
Base 8 | 1718 | 2038 |
Base 9 | 1449 | 1559 |
Base 10 | 12110 | 13110 |
Base 11 | 10011 | 10a11 |
Base 12 | a112 | ab12 |
Base 13 | 9413 | a113 |
Base 14 | 8914 | 9514 |
Base 15 | 8115 | 8b15 |
Base 16 | 7916 | 8316 |