# Compare 1999 vs 2347

Property | 1999 | 2347 |
---|---|---|

Type | prime | prime |

Unique factors | 1 | 1 |

Total factors | 1 | 1 |

Prime factorization | 1999^{1} | 2347^{1} |

Prime factorization | 1999 | 2347 |

Divisors count | 2 | 2 |

Divisors | 1, 1999 | 1, 2347 |

Number of properties | 8 | 6 |

Centered triangular primes | 10th | |

Cousin primes (1st member) | 65th | 72nd |

Harmonic primes | 129th | |

Isolated primes | 207th | |

Left-truncatable primes | 65th | |

Primes | 303rd | 348th |

Prime triplets (2nd member) | 50th | |

Prime triplets (3rd member) | 49th | |

Sexy primes (2nd member) | 128th | 142nd |

Sexy prime triplets (3rd member) | 50th | |

Twin primes (2nd member) | 61st | |

Roman numberals | MCMXCIX | MMCCCXLVII |

Base 2 | 11111001111_{2} | 100100101011_{2} |

Base 3 | 2202001_{3} | 10012221_{3} |

Base 4 | 133033_{4} | 210223_{4} |

Base 5 | 30444_{5} | 33342_{5} |

Base 6 | 13131_{6} | 14511_{6} |

Base 7 | 5554_{7} | 6562_{7} |

Base 8 | 3717_{8} | 4453_{8} |

Base 9 | 2661_{9} | 3187_{9} |

Base 10 | 1999_{10} | 2347_{10} |

Base 11 | 1558_{11} | 1844_{11} |

Base 12 | 11a7_{12} | 1437_{12} |

Base 13 | baa_{13} | 10b7_{13} |

Base 14 | a2b_{14} | bd9_{14} |

Base 15 | 8d4_{15} | a67_{15} |

Base 16 | 7cf_{16} | 92b_{16} |