Compare 71 vs 131

Unique factors11
Total factors11
Prime factorization7111311
Prime factorization71131
Divisors count22
Divisors1, 711, 131
Number of properties1312
Additive primes 17th
Centered heptagonal primes2nd 
Chen primes18th26th
Class 1+ primes11th 
Cousin primes (2nd member)7th12th
Good primes10th 
Isolated primes 13th
Long primes 12th
Multiplicative primes8th10th
Palindromic primes 7th
Pierpont primes of the 2nd kind11th 
Prime triplets (2nd member)8th 
Right-truncatable primes11th 
Sexy primes (1st member) 20th
Solinas primes17th23rd
Sophie germain primes 12th
Twin primes (1st member)8th 
Ulam primes 8th
Roman numberalsLXXICXXXI
Base 210001112100000112
Base 321223112123
Base 41013420034
Base 5241510115
Base 615563356
Base 713172457
Base 810782038
Base 97891559
Base 10711013110
Base 11651110a11
Base 125b12ab12
Base 135613a113
Base 1451149514
Base 154b158b15
Base 1647168316
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