Compare 31 vs 52

Property3152
Typeprimecomposite number
Unique factors12
Total factors13
Prime factorization31122 × 131
Prime factorization312 × 2 × 13
Divisors count26
Divisors1, 311, 2, 4, 13, 26, 52
Number of properties180
Centered decagonal primes2nd 
Centered triangular primes2nd 
Chen primes11th 
Class 1+ primes8th 
Emirps3rd 
Euclid primes4th 
Happy primes5th 
Lucky primes4th 
Mersenne primes3rd 
Multiplicative primes7th 
Pierpont primes of the 2nd kind8th 
Primes11th 
Right-truncatable primes7th 
Sexy primes (1st member)7th 
Sexy prime triplets (1st member)5th 
Solinas primes10th 
Super primes5th 
Twin primes (2nd member)5th 
Roman numberalsXXXILII
Base 21111121101002
Base 31011312213
Base 413343104
Base 511152025
Base 65161246
Base 74371037
Base 8378648
Base 9349579
Base 1031105210
Base 1129114811
Base 1227124412
Base 1325134013
Base 1423143a14
Base 1521153715
Base 161f163416
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