# Compare 191 vs 191

Property | 191 | 191 |
---|---|---|

Type | prime | prime |

Unique factors | 1 | 1 |

Total factors | 1 | 1 |

Prime factorization | 191^{1} | 191^{1} |

Prime factorization | 191 | 191 |

Divisors count | 2 | 2 |

Divisors | 1, 191 | 1, 191 |

Number of properties | 16 | 16 |

Additive primes | 24th | 24th |

Chen primes | 34th | 34th |

Class 1+ primes | 14th | 14th |

Good primes | 16th | 16th |

Harmonic primes | 15th | 15th |

Palindromic primes | 10th | 10th |

Pierpont primes of the 2nd kind | 14th | 14th |

Primes | 43rd | 43rd |

Prime quadruplets (1st member) | 4th | 4th |

Prime triplets (1st member) | 13th | 13th |

Sexy primes (1st member) | 25th | 25th |

Solinas primes | 25th | 25th |

Sophie germain primes | 15th | 15th |

Super primes | 14th | 14th |

Thabit primes | 6th | 6th |

Twin primes (1st member) | 14th | 14th |

Roman numberals | CXCI | CXCI |

Base 2 | 10111111_{2} | 10111111_{2} |

Base 3 | 21002_{3} | 21002_{3} |

Base 4 | 2333_{4} | 2333_{4} |

Base 5 | 1231_{5} | 1231_{5} |

Base 6 | 515_{6} | 515_{6} |

Base 7 | 362_{7} | 362_{7} |

Base 8 | 277_{8} | 277_{8} |

Base 9 | 232_{9} | 232_{9} |

Base 10 | 191_{10} | 191_{10} |

Base 11 | 164_{11} | 164_{11} |

Base 12 | 13b_{12} | 13b_{12} |

Base 13 | 119_{13} | 119_{13} |

Base 14 | d9_{14} | d9_{14} |

Base 15 | cb_{15} | cb_{15} |

Base 16 | bf_{16} | bf_{16} |