Compare 3 vs 12

Typeprimecomposite number
Unique factors12
Total factors13
Prime factorization3122 × 31
Prime factorization32 × 2 × 3
Divisors count26
Divisors1, 31, 2, 3, 4, 6, 12
Number of properties290
Additive primes2nd 
Chen primes2nd 
Class 1+ primes2nd 
Cousin primes (1st member)1st 
Cullen primes1st 
Euclid primes2nd 
Factorial primes2nd 
Fermat primes1st 
Fibonacci primes2nd 
Left-truncatable primes2nd 
Leyland primes1st 
Lucas primes2nd 
Lucky primes1st 
Mersenne primes1st 
Multiplicative primes2nd 
Palindromic primes2nd 
Pierpont primes2nd 
Pierpont primes of the 2nd kind2nd 
Proth primes1st 
Right-truncatable primes2nd 
Solinas primes1st 
Sophie germain primes2nd 
Super primes1st 
Twin primes (1st member)1st 
Two-sided primes2nd 
Ulam primes2nd 
Wagstaff primes1st 
Wedderburn-etherington primes2nd 
Roman numberalsIIIXII
Base 211211002
Base 31031103
Base 434304
Base 535225
Base 636206
Base 737157
Base 838148
Base 939139
Base 103101210
Base 113111111
Base 123121012
Base 13313c13
Base 14314c14
Base 15315c15
Base 16316c16
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