Compare 23 vs 47

Unique factors11
Total factors11
Prime factorization231471
Prime factorization2347
Divisors count22
Divisors1, 231, 47
Number of properties3021
Additive primes6th10th
Carol primes 2nd
Chen primes9th14th
Class 1+ primes7th9th
Cousin primes (2nd member)4th6th
Factorial primes5th 
Happy primes4th 
Harmonic primes4th 
Isolated primes2nd4th
Kynea primes3rd 
Left-truncatable primes7th10th
Long primes4th6th
Lucas primes 6th
Pierpont primes of the 2nd kind7th9th
Prime quintuplet 2s (5th member)2nd 
Prime sextuplets (6th member)1st 
Prime triplets (3rd member)5th7th
Right-truncatable primes5th 
Safe primes4th5th
Sexy primes (1st member)6th10th
Sexy primes (2nd member)5th9th
Sexy prime quadrupletss (4th member)1st 
Sexy prime quadrupletss (2nd member) 3rd
Sexy prime quadrupletss (3rd member)2nd 
Sexy prime triplets (1st member) 7th
Sexy prime triplets (2nd member)4th6th
Sexy prime triplets (3rd member)3rd 
Solinas primes8th13th
Sophie germain primes5th 
Thabit primes4th5th
Two-sided primes5th 
Ulam primes 5th
Wedderburn-etherington primes4th 
Woodall primes2nd 
Roman numberalsXXIIIXLVII
Base 21011121011112
Base 3212312023
Base 411342334
Base 54351425
Base 63561156
Base 7327657
Base 8278578
Base 9259529
Base 1023104710
Base 1121114311
Base 121b123b12
Base 131a133813
Base 1419143514
Base 1518153215
Base 1617162f16
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