1. Numbers
  2. Compare 19 vs 71

Compare 19 vs 71

Property1971
Typeprimeprime
Unique factors11
Total factors11
Prime factorization191711
Prime factorization1971
Divisors count22
Divisors1, 191, 71
Number of properties1813
Centered heptagonal primes 2nd
Centered triangular primes1st 
Chen primes8th18th
Class 1+ primes 11th
Cousin primes (1st member)4th 
Cousin primes (2nd member) 7th
Cuban primes 12nd 
Emirps 5th
Good primes 10th
Happy primes3rd 
Long primes3rd 
Multiplicative primes 8th
Pierpont primes7th 
Pierpont primes of the 2nd kind 11th
Primes8th20th
Prime quadruplets (4th member)2nd 
Prime quintuplet 1s (5th member)1st 
Prime quintuplet 2s (4th member)2nd 
Prime sextuplets (5th member)1st 
Prime triplets (2nd member)5th8th
Prime triplets (3rd member)4th 
Right-truncatable primes 11th
Sexy primes (2nd member)4th 
Sexy prime triplets (3rd member)2nd 
Solinas primes7th17th
Twin primes (1st member) 8th
Twin primes (2nd member)4th 
Roman numberalsXIXLXXI
Base 210011210001112
Base 3201321223
Base 4103410134
Base 53452415
Base 63161556
Base 72571317
Base 82381078
Base 9219789
Base 1019107110
Base 1118116511
Base 1217125b12
Base 1316135613
Base 1415145114
Base 1514154b15
Base 1613164716
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