Compare 13 vs 24

Typeprimecomposite number
Unique factors12
Total factors14
Prime factorization13123 × 31
Prime factorization132 × 2 × 2 × 3
Divisors count28
Divisors1, 131, 2, 3, 4, 6, 8, 12, 24
Number of properties320
Centered square primes2nd 
Chen primes6th 
Cousin primes (1st member)3rd 
Cuban primes 21st 
Fibonacci primes4th 
Happy primes2nd 
Harmonic primes2nd 
Left-truncatable primes5th 
Lucky primes3rd 
Multiplicative primes5th 
Pierpont primes5th 
Prime quadruplets (2nd member)2nd 
Prime quadruplets (4th member)1st 
Prime quintuplet 1s (3rd member)1st 
Prime quintuplet 2s (2nd member)2nd 
Prime quintuplet 2s (4th member)1st 
Prime sextuplets (3rd member)1st 
Prime triplets (1st member)4th 
Prime triplets (2nd member)3rd 
Prime triplets (3rd member)2nd 
Proth primes3rd 
Pythagorean primes2nd 
Sexy primes (1st member)4th 
Sexy primes (2nd member)2nd 
Sexy prime triplets (2nd member)2nd 
Solinas primes5th 
Thabit primes of the 2nd kind2nd 
Twin primes (2nd member)3rd 
Ulam primes4th 
Wilson primes2nd 
Roman numberalsXIIIXXIV
Base 211012110002
Base 311132203
Base 43141204
Base 5235445
Base 6216406
Base 7167337
Base 8158308
Base 9149269
Base 1013102410
Base 1112112211
Base 1211122012
Base 1310131b13
Base 14d141a14
Base 15d151915
Base 16d161816
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