1. Numbers
  2. Compare 131 vs 138

Compare 131 vs 138

Property131138
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization131121 × 31 × 231
Prime factorization1312 × 3 × 23
Divisors count28
Divisors1, 1311, 2, 3, 6, 23, 46, 69, 138
Number of properties120
Additive primes17th 
Chen primes26th 
Cousin primes (2nd member)12th 
Isolated primes13th 
Long primes12th 
Multiplicative primes10th 
Palindromic primes7th 
Primes32nd 
Sexy primes (1st member)20th 
Solinas primes23rd 
Sophie germain primes12th 
Ulam primes8th 
Roman numberalsCXXXICXXXVIII
Base 2100000112100010102
Base 3112123120103
Base 42003420224
Base 51011510235
Base 633563506
Base 724572557
Base 820382128
Base 915591639
Base 101311013810
Base 1110a1111611
Base 12ab12b612
Base 13a113a813
Base 1495149c14
Base 158b159315
Base 1683168a16
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