Compare 11 vs 55

Unique factors12
Total factors12
Prime factorization11151 × 111
Prime factorization115 × 11
Divisors count24
Divisors1, 111, 5, 11, 55
Number of properties361
Additive primes5th 
Centered decagonal primes1st 
Chen primes5th 
Class 1+ primes5th 
Cousin primes (2nd member)2nd 
Dihedral primes3rd 
Good primes2nd 
Lucas primes4th 
Mills primes2nd 
Palindromic primes5th 
Pierpont primes of the 2nd kind5th 
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 
Safe primes3rd 
Semiprimes 19th
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 primes4th 
Sophie germain primes4th 
Super primes3rd 
Thabit primes3rd 
Twin primes (1st member)3rd 
Ulam primes3rd 
Wagstaff primes2nd 
Wedderburn-etherington primes3rd 
Roman numberalsXILV
Base 2101121101112
Base 3102320013
Base 42343134
Base 52152105
Base 61561316
Base 71471067
Base 8138678
Base 9129619
Base 1011105510
Base 1110115011
Base 12b124712
Base 13b134313
Base 14b143d14
Base 15b153a15
Base 16b163716
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