Compare 23 vs 43

Unique factors11
Total factors11
Prime factorization231431
Prime factorization2343
Divisors count22
Divisors1, 231, 43
Number of properties3012
Additive primes6th9th
Centered heptagonal primes 1st
Chen primes9th 
Class 1+ primes7th 
Cousin primes (2nd member)4th 
Cousin primes (1st member) 6th
Factorial primes5th 
Happy primes4th 
Harmonic primes4th 
Isolated primes2nd 
Kynea primes3rd 
Left-truncatable primes7th9th
Long primes4th 
Lucky primes 6th
Pierpont primes of the 2nd kind7th 
Prime quintuplet 2s (5th member)2nd 
Prime sextuplets (6th member)1st 
Prime triplets (2nd member) 7th
Prime triplets (3rd member)5th6th
Right-truncatable primes5th 
Safe primes4th 
Sexy primes (1st member)6th 
Sexy primes (2nd member)5th8th
Sexy prime quadrupletss (4th member)1st 
Sexy prime quadrupletss (3rd member)2nd 
Sexy prime triplets (2nd member)4th 
Sexy prime triplets (3rd member)3rd5th
Solinas primes8th 
Sophie germain primes5th 
Thabit primes4th 
Twin primes (2nd member) 6th
Two-sided primes5th 
Wagstaff primes 3rd
Wedderburn-etherington primes4th 
Woodall primes2nd 
Roman numberalsXXIIIXLIII
Base 21011121010112
Base 3212311213
Base 411342234
Base 54351335
Base 63561116
Base 7327617
Base 8278538
Base 9259479
Base 1023104310
Base 1121113a11
Base 121b123712
Base 131a133413
Base 1419143114
Base 1518152d15
Base 1617162b16
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