1. Numbers
  2. Compare 13 vs 39

Compare 13 vs 39

Property1339
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization13131 × 131
Prime factorization133 × 13
Divisors count24
Divisors1, 131, 3, 13, 39
Number of properties321
Centered square primes2nd 
Chen primes6th 
Cousin primes (1st member)3rd 
Cuban primes 21st 
Emirps1st 
Fibonacci primes4th 
Happy primes2nd 
Harmonic primes2nd 
Left-truncatable primes5th 
Lucky primes3rd 
Multiplicative primes5th 
Pierpont primes5th 
Primes6th 
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 
Semiprimes 15th
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 numberalsXIIIXXXIX
Base 2110121001112
Base 3111311103
Base 43142134
Base 52351245
Base 62161036
Base 7167547
Base 8158478
Base 9149439
Base 1013103910
Base 1112113611
Base 1211123312
Base 1310133013
Base 14d142b14
Base 15d152915
Base 16d162716
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