Compare 13 vs 48

Typeprimecomposite number
Unique factors12
Total factors15
Prime factorization13124 × 31
Prime factorization132 × 2 × 2 × 2 × 3
Divisors count210
Divisors1, 131, 2, 3, 4, 6, 8, 12, 16, 24, 48
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 numberalsXIIIXLVIII
Base 2110121100002
Base 3111312103
Base 43143004
Base 52351435
Base 62161206
Base 7167667
Base 8158608
Base 9149539
Base 1013104810
Base 1112114411
Base 1211124012
Base 1310133913
Base 14d143614
Base 15d153315
Base 16d163016
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