1. Numbers
  2. Compare 3 vs 20

Compare 3 vs 20

Property320
Typeprimecomposite number
Unique factors12
Total factors13
Prime factorization3122 × 51
Prime factorization32 × 2 × 5
Divisors count26
Divisors1, 31, 2, 4, 5, 10, 20
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 
Primes2nd 
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 numberalsIIIXX
Base 2112101002
Base 31032023
Base 4341104
Base 535405
Base 636326
Base 737267
Base 838248
Base 939229
Base 103102010
Base 113111911
Base 123121812
Base 133131713
Base 143141614
Base 153151515
Base 163161416
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