Compare 31 vs 54

Property3154
Typeprimecomposite number
Unique factors12
Total factors14
Prime factorization31121 × 33
Prime factorization312 × 3 × 3 × 3
Divisors count28
Divisors1, 311, 2, 3, 6, 9, 18, 27, 54
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 numberalsXXXILIV
Base 21111121101102
Base 31011320003
Base 413343124
Base 511152045
Base 65161306
Base 74371057
Base 8378668
Base 9349609
Base 1031105410
Base 1129114a11
Base 1227124612
Base 1325134213
Base 1423143c14
Base 1521153915
Base 161f163616
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