Compare 131 vs 131

Unique factors11
Total factors11
Prime factorization13111311
Prime factorization131131
Divisors count22
Divisors1, 1311, 131
Number of properties1212
Additive primes17th17th
Chen primes26th26th
Cousin primes (2nd member)12th12th
Isolated primes13th13th
Long primes12th12th
Multiplicative primes10th10th
Palindromic primes7th7th
Sexy primes (1st member)20th20th
Solinas primes23rd23rd
Sophie germain primes12th12th
Ulam primes8th8th
Roman numberalsCXXXICXXXI
Base 2100000112100000112
Base 3112123112123
Base 42003420034
Base 51011510115
Base 633563356
Base 724572457
Base 820382038
Base 915591559
Base 101311013110
Base 1110a1110a11
Base 12ab12ab12
Base 13a113a113
Base 1495149514
Base 158b158b15
Base 1683168316
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