1. Numbers
  2. Compare 197 vs 205

Compare 197 vs 205

Property197205
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization197151 × 411
Prime factorization1975 × 41
Divisors count24
Divisors1, 1971, 5, 41, 205
Number of properties131
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 
Semiprimes 66th
Sexy primes (2nd member)25th 
Twin primes (1st member)15th 
Ulam primes9th 
Roman numberalsCXCVIICCV
Base 2110001012110011012
Base 3210223211213
Base 43011430314
Base 51242513105
Base 652565416
Base 740174127
Base 830583158
Base 923892479
Base 101971020510
Base 1116a1117711
Base 121451215112
Base 131221312a13
Base 141011410914
Base 15d215da15
Base 16c516cd16
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