Compare 31 vs 50

Property3150
Typeprimecomposite number
Unique factors12
Total factors13
Prime factorization31121 × 52
Prime factorization312 × 5 × 5
Divisors count26
Divisors1, 311, 2, 5, 10, 25, 50
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 numberalsXXXIL
Base 21111121100102
Base 31011312123
Base 413343024
Base 511152005
Base 65161226
Base 74371017
Base 8378628
Base 9349559
Base 1031105010
Base 1129114611
Base 1227124212
Base 1325133b13
Base 1423143814
Base 1521153515
Base 161f163216
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