Compare 23 vs 73

Unique factors11
Total factors11
Prime factorization231731
Prime factorization2373
Divisors count22
Divisors1, 231, 73
Number of properties3017
Additive primes6th 
Chen primes9th 
Class 1+ primes7th 
Cousin primes (2nd member)4th 
Emirps 6th
Factorial primes5th 
Happy primes4th 
Harmonic primes4th7th
Isolated primes2nd 
Kynea primes3rd 
Left-truncatable primes7th13th
Long primes4th 
Lucky primes 8th
Pierpont primes 9th
Pierpont primes of the 2nd kind7th 
Prime quintuplet 2s (5th member)2nd 
Prime sextuplets (6th member)1st 
Prime triplets (3rd member)5th8th
Pythagorean primes 9th
Right-truncatable primes5th12th
Safe primes4th 
Sexy primes (1st member)6th14th
Sexy primes (2nd member)5th13th
Sexy prime quadrupletss (4th member)1st 
Sexy prime quadrupletss (3rd member)2nd4th
Sexy prime triplets (2nd member)4th9th
Sexy prime triplets (3rd member)3rd8th
Solinas primes8th18th
Sophie germain primes5th 
Thabit primes4th 
Twin primes (2nd member) 8th
Two-sided primes5th8th
Wedderburn-etherington primes4th 
Woodall primes2nd 
Roman numberalsXXIIILXXIII
Base 210111210010012
Base 3212322013
Base 4113410214
Base 54352435
Base 63562016
Base 73271337
Base 82781118
Base 9259819
Base 1023107310
Base 1121116711
Base 121b126112
Base 131a135813
Base 1419145314
Base 1518154d15
Base 1617164916
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