Compare 13 vs 131

Unique factors11
Total factors11
Prime factorization1311311
Prime factorization13131
Divisors count22
Divisors1, 131, 131
Number of properties3212
Additive primes 17th
Centered square primes2nd 
Chen primes6th26th
Cousin primes (2nd member) 12th
Cousin primes (1st member)3rd 
Cuban primes 21st 
Fibonacci primes4th 
Happy primes2nd 
Harmonic primes2nd 
Isolated primes 13th
Left-truncatable primes5th 
Long primes 12th
Lucky primes3rd 
Multiplicative primes5th10th
Palindromic primes 7th
Pierpont primes5th 
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 
Sexy primes (1st member)4th20th
Sexy primes (2nd member)2nd 
Sexy prime triplets (2nd member)2nd 
Solinas primes5th23rd
Sophie germain primes 12th
Thabit primes of the 2nd kind2nd 
Twin primes (2nd member)3rd 
Ulam primes4th8th
Wilson primes2nd 
Roman numberalsXIIICXXXI
Base 211012100000112
Base 31113112123
Base 431420034
Base 523510115
Base 62163356
Base 71672457
Base 81582038
Base 91491559
Base 10131013110
Base 11121110a11
Base 121112ab12
Base 131013a113
Base 14d149514
Base 15d158b15
Base 16d168316
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