1. Numbers
  2. Compare 19 vs 97

Compare 19 vs 97

Property1997
Typeprimeprime
Unique factors11
Total factors11
Prime factorization191971
Prime factorization1997
Divisors count22
Divisors1, 191, 97
Number of properties1820
Centered triangular primes1st 
Chen primes8th 
Cousin primes (1st member)4th9th
Cuban primes 12nd 
Emirps 8th
Good primes 11th
Happy primes3rd7th
Isolated primes 10th
Left-truncatable primes 15th
Long primes3rd9th
Pierpont primes7th10th
Primes8th25th
Prime quadruplets (4th member)2nd 
Prime quintuplet 1s (1st member) 2nd
Prime quintuplet 1s (5th member)1st 
Prime quintuplet 2s (4th member)2nd 
Prime sextuplets (1st member) 2nd
Prime sextuplets (5th member)1st 
Prime triplets (1st member) 9th
Prime triplets (2nd member)5th 
Prime triplets (3rd member)4th 
Proth primes 6th
Pythagorean primes 11th
Quartan primes 3rd
Sexy primes (1st member) 16th
Sexy primes (2nd member)4th 
Sexy prime triplets (1st member) 10th
Sexy prime triplets (3rd member)2nd 
Solinas primes7th20th
Thabit primes of the 2nd kind 3rd
Twin primes (2nd member)4th 
Ulam primes 7th
Roman numberalsXIXXCVII
Base 210011211000012
Base 32013101213
Base 4103412014
Base 53453425
Base 63162416
Base 72571667
Base 82381418
Base 92191179
Base 1019109710
Base 1118118911
Base 1217128112
Base 1316137613
Base 1415146d14
Base 1514156715
Base 1613166116
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