Compare 13 vs 34

Unique factors12
Total factors12
Prime factorization13121 × 171
Prime factorization132 × 17
Divisors count24
Divisors1, 131, 2, 17, 34
Number of properties321
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 
Semiprimes 12th
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 numberalsXIIIXXXIV
Base 2110121000102
Base 3111310213
Base 43142024
Base 52351145
Base 6216546
Base 7167467
Base 8158428
Base 9149379
Base 1013103410
Base 1112113111
Base 1211122a12
Base 1310132813
Base 14d142614
Base 15d152415
Base 16d162216
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