Compare 41 vs 47

Unique factors11
Total factors11
Prime factorization411471
Prime factorization4147
Divisors count22
Divisors1, 411, 47
Number of properties1821
Additive primes8th10th
Carol primes 2nd
Centered square primes3rd 
Chen primes13th14th
Class 1+ primes 9th
Cousin primes (2nd member)5th6th
Good primes6th 
Harmonic primes5th 
Isolated primes 4th
Left-truncatable primes 10th
Long primes 6th
Lucas primes 6th
Pierpont primes of the 2nd kind 9th
Prime triplets (1st member)7th 
Prime triplets (2nd member)6th 
Prime triplets (3rd member) 7th
Proth primes5th 
Pythagorean primes6th 
Safe primes 5th
Sexy primes (1st member)9th10th
Sexy primes (2nd member) 9th
Sexy prime quadrupletss (1st member)3rd 
Sexy prime quadrupletss (2nd member) 3rd
Sexy prime triplets (1st member)6th7th
Sexy prime triplets (2nd member) 6th
Solinas primes12th13th
Sophie germain primes7th 
Super primes6th 
Thabit primes 5th
Twin primes (1st member)6th 
Ulam primes 5th
Roman numberalsXLIXLVII
Base 210100121011112
Base 31112312023
Base 422142334
Base 513151425
Base 610561156
Base 7567657
Base 8518578
Base 9459529
Base 1041104710
Base 1138114311
Base 1235123b12
Base 1332133813
Base 142d143514
Base 152b153215
Base 1629162f16
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