1. Numbers
  2. Compare 131 vs 257

Compare 131 vs 257

Property131257
Typeprimeprime
Unique factors11
Total factors11
Prime factorization13112571
Prime factorization131257
Divisors count22
Divisors1, 1311, 257
Number of properties1216
Additive primes17th 
Chen primes26th42nd
Cousin primes (2nd member)12th 
Fermat primes 4th
Good primes 20th
Isolated primes13th22nd
Long primes12th21st
Multiplicative primes10th 
Palindromic primes7th 
Pierpont primes 14th
Primes32nd55th
Proth primes 10th
Pythagorean primes 25th
Quartan primes 4th
Sexy primes (1st member)20th31st
Sexy primes (2nd member) 30th
Sexy prime quadrupletss (2nd member) 5th
Sexy prime triplets (1st member) 16th
Sexy prime triplets (2nd member) 15th
Solinas primes23rd31st
Sophie germain primes12th 
Ulam primes8th 
Roman numberalsCXXXICCLVII
Base 21000001121000000012
Base 31121231001123
Base 420034100014
Base 51011520125
Base 6335611056
Base 724575157
Base 820384018
Base 915593159
Base 101311025710
Base 1110a1121411
Base 12ab1219512
Base 13a11316a13
Base 14951414514
Base 158b1512215
Base 16831610116
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