1. Numbers
  2. Compare 197 vs 199

Compare 197 vs 199

Property197199
Typeprimeprime
Unique factors11
Total factors11
Prime factorization19711991
Prime factorization197199
Divisors count22
Divisors1, 1971, 199
Number of properties1310
Additive primes26th27th
Centered heptagonal primes3rd 
Centered triangular primes 4th
Chen primes35th36th
Cousin primes (2nd member)14th 
Emirps 15th
Left-truncatable primes20th 
Lucas primes 7th
Primes45th46th
Prime quadruplets (3rd member)4th 
Prime quadruplets (4th member) 4th
Prime triplets (2nd member)14th 
Prime triplets (3rd member)13th14th
Pythagorean primes21st 
Sexy primes (2nd member)25th26th
Twin primes (1st member)15th 
Twin primes (2nd member) 15th
Ulam primes9th 
Roman numberalsCXCVIICXCIX
Base 2110001012110001112
Base 3210223211013
Base 43011430134
Base 51242512445
Base 652565316
Base 740174037
Base 830583078
Base 923892419
Base 101971019910
Base 1116a1117111
Base 121451214712
Base 131221312413
Base 141011410314
Base 15d215d415
Base 16c516c716
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