1. Numbers
  2. Compare 2 vs 18

Compare 2 vs 18

Property218
Typeprimecomposite number
Unique factors12
Total factors13
Prime factorization2121 × 32
Prime factorization22 × 3 × 3
Divisors count26
Divisors1, 21, 2, 3, 6, 9, 18
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 numberalsIIXVIII
Base 2102100102
Base 3232003
Base 4241024
Base 525335
Base 626306
Base 727247
Base 828228
Base 929209
Base 102101810
Base 112111711
Base 122121612
Base 132131513
Base 142141414
Base 152151315
Base 162161216
This website uses cookies to ensure you get the best experience on our website. More info