1. Numbers
  2. Compare 2 vs 19

Compare 2 vs 19

Property219
Typeprimeprime
Unique factors11
Total factors11
Prime factorization21191
Prime factorization219
Divisors count22
Divisors1, 21, 19
Number of properties2618
Additive primes1st 
Bell primes1st 
Centered triangular primes 1st
Chen primes1st8th
Class 1+ primes1st 
Cousin primes (1st member) 4th
Cuban primes 1 2nd
Dihedral primes1st 
Euclid primes1st 
Factorial primes1st 
Fibonacci primes1st 
Happy primes 3rd
Isolated primes1st 
Kynea primes1st 
Left-truncatable primes1st 
Long primes 3rd
Lucas primes1st 
Mills primes1st 
Multiplicative primes1st 
Palindromic primes1st 
Pierpont primes1st7th
Pierpont primes of the 2nd kind1st 
Primes1st8th
Prime quadruplets (4th member) 2nd
Prime quintuplet 1s (5th member) 1st
Prime quintuplet 2s (4th member) 2nd
Prime sextuplets (5th member) 1st
Prime triplets (2nd member) 5th
Prime triplets (3rd member) 4th
Quartan primes1st 
Restricted left-truncatable primes1st 
Right-truncatable primes1st 
Sexy primes (2nd member) 4th
Sexy prime triplets (3rd member) 2nd
Solinas primes 7th
Sophie germain primes1st 
Thabit primes1st 
Twin primes (2nd member) 4th
Two-sided primes1st 
Ulam primes1st 
Wedderburn-etherington primes1st 
Roman numberalsIIXIX
Base 2102100112
Base 3232013
Base 4241034
Base 525345
Base 626316
Base 727257
Base 828238
Base 929219
Base 102101910
Base 112111811
Base 122121712
Base 132131613
Base 142141514
Base 152151415
Base 162161316
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