1. Numbers
  2. Compare 197 vs 198

Compare 197 vs 198

Property197198
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization197121 × 32 × 111
Prime factorization1972 × 3 × 3 × 11
Divisors count212
Divisors1, 1971, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198
Number of properties130
Additive primes26th 
Centered heptagonal primes3rd 
Chen primes35th 
Cousin primes (2nd member)14th 
Left-truncatable primes20th 
Primes45th 
Prime quadruplets (3rd member)4th 
Prime triplets (2nd member)14th 
Prime triplets (3rd member)13th 
Pythagorean primes21st 
Sexy primes (2nd member)25th 
Twin primes (1st member)15th 
Ulam primes9th 
Roman numberalsCXCVIICXCVIII
Base 2110001012110001102
Base 3210223211003
Base 43011430124
Base 51242512435
Base 652565306
Base 740174027
Base 830583068
Base 923892409
Base 101971019810
Base 1116a1117011
Base 121451214612
Base 131221312313
Base 141011410214
Base 15d215d315
Base 16c516c616
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