# Compare 1999 vs 2539

Property | 1999 | 2539 |
---|---|---|

Type | prime | prime |

Unique factors | 1 | 1 |

Total factors | 1 | 1 |

Prime factorization | 1999^{1} | 2539^{1} |

Prime factorization | 1999 | 2539 |

Divisors count | 2 | 2 |

Divisors | 1, 1999 | 1, 2539 |

Number of properties | 8 | 6 |

Additive primes | 194th | |

Centered triangular primes | 10th | |

Cousin primes (1st member) | 65th | 77th |

Good primes | 73rd | |

Isolated primes | 228th | |

Long primes | 146th | |

Primes | 303rd | 371st |

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

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

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

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

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

Roman numberals | MCMXCIX | MMDXXXIX |

Base 2 | 11111001111_{2} | 100111101011_{2} |

Base 3 | 2202001_{3} | 10111001_{3} |

Base 4 | 133033_{4} | 213223_{4} |

Base 5 | 30444_{5} | 40124_{5} |

Base 6 | 13131_{6} | 15431_{6} |

Base 7 | 5554_{7} | 10255_{7} |

Base 8 | 3717_{8} | 4753_{8} |

Base 9 | 2661_{9} | 3431_{9} |

Base 10 | 1999_{10} | 2539_{10} |

Base 11 | 1558_{11} | 19a9_{11} |

Base 12 | 11a7_{12} | 1577_{12} |

Base 13 | baa_{13} | 1204_{13} |

Base 14 | a2b_{14} | cd5_{14} |

Base 15 | 8d4_{15} | b44_{15} |

Base 16 | 7cf_{16} | 9eb_{16} |