Compare 191 vs 194

Property191194
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization191121 × 971
Prime factorization1912 × 97
Divisors count24
Divisors1, 1911, 2, 97, 194
Number of properties161
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 
Semiprimes 62nd
Sexy primes (1st member)25th 
Solinas primes25th 
Sophie germain primes15th 
Super primes14th 
Thabit primes6th 
Twin primes (1st member)14th 
Roman numberalsCXCICXCIV
Base 2101111112110000102
Base 3210023210123
Base 42333430024
Base 51231512345
Base 651565226
Base 736273657
Base 827783028
Base 923292359
Base 101911019410
Base 111641116711
Base 1213b1214212
Base 131191311c13
Base 14d914dc14
Base 15cb15ce15
Base 16bf16c216
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