1. Numbers
  2. Compare 66 vs 71

Compare 66 vs 71

Property6671
Typecomposite numberprime
Unique factors31
Total factors31
Prime factorization21 × 31 × 111711
Prime factorization2 × 3 × 1171
Divisors count82
Divisors1, 2, 3, 6, 11, 22, 33, 661, 71
Number of properties013
Centered heptagonal primes 2nd
Chen primes 18th
Class 1+ primes 11th
Cousin primes (2nd member) 7th
Emirps 5th
Good primes 10th
Multiplicative primes 8th
Pierpont primes of the 2nd kind 11th
Primes 20th
Prime triplets (2nd member) 8th
Right-truncatable primes 11th
Solinas primes 17th
Twin primes (1st member) 8th
Roman numberalsLXVILXXI
Base 21000010210001112
Base 32110321223
Base 41002410134
Base 523152415
Base 615061556
Base 712371317
Base 810281078
Base 9739789
Base 1066107110
Base 1160116511
Base 1256125b12
Base 1351135613
Base 144a145114
Base 1546154b15
Base 1642164716
This website uses cookies to ensure you get the best experience on our website. More info