Compare 191 vs 200

Property191200
Typeprimecomposite number
Unique factors12
Total factors15
Prime factorization191123 × 52
Prime factorization1912 × 2 × 2 × 5 × 5
Divisors count212
Divisors1, 1911, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200
Number of properties160
Additive primes24th 
Chen primes34th 
Class 1+ primes14th 
Good primes16th 
Harmonic primes15th 
Palindromic primes10th 
Pierpont primes of the 2nd kind14th 
Primes43rd 
Prime quadruplets (1st member)4th 
Prime triplets (1st member)13th 
Sexy primes (1st member)25th 
Solinas primes25th 
Sophie germain primes15th 
Super primes14th 
Thabit primes6th 
Twin primes (1st member)14th 
Roman numberalsCXCICC
Base 2101111112110010002
Base 3210023211023
Base 42333430204
Base 51231513005
Base 651565326
Base 736274047
Base 827783108
Base 923292429
Base 101911020010
Base 111641117211
Base 1213b1214812
Base 131191312513
Base 14d91410414
Base 15cb15d515
Base 16bf16c816
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