Compare 31 vs 48

Property3148
Typeprimecomposite number
Unique factors12
Total factors15
Prime factorization31124 × 31
Prime factorization312 × 2 × 2 × 2 × 3
Divisors count210
Divisors1, 311, 2, 3, 4, 6, 8, 12, 16, 24, 48
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 numberalsXXXIXLVIII
Base 21111121100002
Base 31011312103
Base 413343004
Base 511151435
Base 65161206
Base 7437667
Base 8378608
Base 9349539
Base 1031104810
Base 1129114411
Base 1227124012
Base 1325133913
Base 1423143614
Base 1521153315
Base 161f163016
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