1. Numbers
  2. Compare 2 vs 20

Compare 2 vs 20

Property220
Typeprimecomposite number
Unique factors12
Total factors13
Prime factorization2122 × 51
Prime factorization22 × 2 × 5
Divisors count26
Divisors1, 21, 2, 4, 5, 10, 20
Number of properties260
Additive primes1st 
Bell primes1st 
Chen primes1st 
Class 1+ primes1st 
Dihedral primes1st 
Euclid primes1st 
Factorial primes1st 
Fibonacci primes1st 
Isolated primes1st 
Kynea primes1st 
Left-truncatable primes1st 
Lucas primes1st 
Mills primes1st 
Multiplicative primes1st 
Palindromic primes1st 
Pierpont primes1st 
Pierpont primes of the 2nd kind1st 
Primes1st 
Quartan primes1st 
Restricted left-truncatable primes1st 
Right-truncatable primes1st 
Sophie germain primes1st 
Thabit primes1st 
Two-sided primes1st 
Ulam primes1st 
Wedderburn-etherington primes1st 
Roman numberalsIIXX
Base 2102101002
Base 3232023
Base 4241104
Base 525405
Base 626326
Base 727267
Base 828248
Base 929229
Base 102102010
Base 112111911
Base 122121812
Base 132131713
Base 142141614
Base 152151515
Base 162161416
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