Compare 131 vs 313

Unique factors11
Total factors11
Prime factorization13113131
Prime factorization131313
Divisors count22
Divisors1, 1311, 313
Number of properties1215
Additive primes17th37th
Centered square primes 7th
Chen primes26th 
Cousin primes (2nd member)12th 
Cousin primes (1st member) 19th
Happy primes 16th
Isolated primes13th 
Left-truncatable primes 23rd
Long primes12th24th
Multiplicative primes10th 
Palindromic primes7th11th
Prime triplets (2nd member) 19th
Prime triplets (3rd member) 18th
Pythagorean primes 30th
Right-truncatable primes 18th
Sexy primes (1st member)20th 
Sexy primes (2nd member) 35th
Solinas primes23rd 
Sophie germain primes12th 
Twin primes (2nd member) 20th
Two-sided primes 9th
Ulam primes8th 
Roman numberalsCXXXICCCXIII
Base 21000001121001110012
Base 31121231021213
Base 420034103214
Base 51011522235
Base 6335612416
Base 724576257
Base 820384718
Base 915593779
Base 101311031310
Base 1110a1126511
Base 12ab1222112
Base 13a1131b113
Base 14951418514
Base 158b1515d15
Base 16831613916
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