Compare 197 vs 207

Property197207
Typeprimecomposite number
Unique factors12
Total factors13
Prime factorization197132 × 231
Prime factorization1973 × 3 × 23
Divisors count26
Divisors1, 1971, 3, 9, 23, 69, 207
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 numberalsCXCVIICCVII
Base 2110001012110011112
Base 3210223212003
Base 43011430334
Base 51242513125
Base 652565436
Base 740174147
Base 830583178
Base 923892509
Base 101971020710
Base 1116a1117911
Base 121451215312
Base 131221312c13
Base 141011410b14
Base 15d215dc15
Base 16c516cf16
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