Compare 2 vs 11

Unique factors11
Total factors11
Prime factorization21111
Prime factorization211
Divisors count22
Divisors1, 21, 11
Number of properties2636
Additive primes1st5th
Bell primes1st 
Centered decagonal primes 1st
Chen primes1st5th
Class 1+ primes1st5th
Cousin primes (2nd member) 2nd
Dihedral primes1st3rd
Euclid primes1st 
Factorial primes1st 
Fibonacci primes1st 
Good primes 2nd
Isolated primes1st 
Kynea primes1st 
Left-truncatable primes1st 
Lucas primes1st4th
Mills primes1st2nd
Multiplicative primes1st 
Palindromic primes1st5th
Pierpont primes1st 
Pierpont primes of the 2nd kind1st5th
Prime quadruplets (1st member) 2nd
Prime quadruplets (3rd member) 1st
Prime quintuplet 1s (2nd member) 1st
Prime quintuplet 2s (1st member) 2nd
Prime quintuplet 2s (3rd member) 1st
Prime sextuplets (2nd member) 1st
Prime triplets (1st member) 3rd
Prime triplets (2nd member) 2nd
Prime triplets (3rd member) 1st
Quartan primes1st 
Restricted left-truncatable primes1st 
Right-truncatable primes1st 
Safe primes 3rd
Sexy primes (1st member) 3rd
Sexy primes (2nd member) 1st
Sexy prime quadrupletss (1st member) 2nd
Sexy prime quadrupletss (2nd member) 1st
Sexy prime triplets (1st member) 3rd
Sexy prime triplets (2nd member) 1st
Solinas primes 4th
Sophie germain primes1st4th
Super primes 3rd
Thabit primes1st3rd
Twin primes (1st member) 3rd
Two-sided primes1st 
Ulam primes1st3rd
Wagstaff primes 2nd
Wedderburn-etherington primes1st3rd
Roman numberalsIIXI
Base 210210112
Base 3231023
Base 424234
Base 525215
Base 626156
Base 727147
Base 828138
Base 929129
Base 102101110
Base 112111011
Base 12212b12
Base 13213b13
Base 14214b14
Base 15215b15
Base 16216b16
This website uses cookies to ensure you get the best experience on our website. More info