1. Numbers
  2. Compare 191 vs 201

Compare 191 vs 201

Property191201
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization191131 × 671
Prime factorization1913 × 67
Divisors count24
Divisors1, 1911, 3, 67, 201
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 63rd
Sexy primes (1st member)25th 
Solinas primes25th 
Sophie germain primes15th 
Super primes14th 
Thabit primes6th 
Twin primes (1st member)14th 
Roman numberalsCXCICCI
Base 2101111112110010012
Base 3210023211103
Base 42333430214
Base 51231513015
Base 651565336
Base 736274057
Base 827783118
Base 923292439
Base 101911020110
Base 111641117311
Base 1213b1214912
Base 131191312613
Base 14d91410514
Base 15cb15d615
Base 16bf16c916
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