Compare 17 vs 55

Unique factors12
Total factors12
Prime factorization17151 × 111
Prime factorization175 × 11
Divisors count24
Divisors1, 171, 5, 11, 55
Number of properties361
Chen primes7th 
Class 1+ primes6th 
Cousin primes (2nd member)3rd 
Fermat primes3rd 
Genocchi primes1st 
Good primes3rd 
Harmonic primes3rd 
Left-truncatable primes6th 
Leyland primes2nd 
Long primes2nd 
Multiplicative primes6th 
Pierpont primes6th 
Pierpont primes of the 2nd kind6th 
Prime quadruplets (3rd member)2nd 
Prime quintuplet 1s (4th member)1st 
Prime quintuplet 2s (3rd member)2nd 
Prime quintuplet 2s (5th member)1st 
Prime sextuplets (4th member)1st 
Prime triplets (1st member)5th 
Prime triplets (2nd member)4th 
Prime triplets (3rd member)3rd 
Proth primes4th 
Pythagorean primes3rd 
Quartan primes2nd 
Semiprimes 19th
Sexy primes (1st member)5th 
Sexy primes (2nd member)3rd 
Sexy prime quadrupletss (2nd member)2nd 
Sexy prime quadrupletss (3rd member)1st 
Sexy prime triplets (1st member)4th 
Sexy prime triplets (2nd member)3rd 
Sexy prime triplets (3rd member)1st 
Solinas primes6th 
Super primes4th 
Twin primes (1st member)4th 
Roman numberalsXVIILV
Base 21000121101112
Base 3122320013
Base 410143134
Base 53252105
Base 62561316
Base 72371067
Base 8218678
Base 9189619
Base 1017105510
Base 1116115011
Base 1215124712
Base 1314134313
Base 1413143d14
Base 1512153a15
Base 1611163716
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