1. Numbers
  2. Compare 13 vs 33

Compare 13 vs 33

Property1333
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization13131 × 111
Prime factorization133 × 11
Divisors count24
Divisors1, 131, 3, 11, 33
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 11th
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 numberalsXIIIXXXIII
Base 2110121000012
Base 3111310203
Base 43142014
Base 52351135
Base 6216536
Base 7167457
Base 8158418
Base 9149369
Base 1013103310
Base 1112113011
Base 1211122912
Base 1310132713
Base 14d142514
Base 15d152315
Base 16d162116
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