# Compare 1489 vs 1999

Property | 1489 | 1999 |
---|---|---|

Type | prime | prime |

Unique factors | 1 | 1 |

Total factors | 1 | 1 |

Prime factorization | 1489^{1} | 1999^{1} |

Prime factorization | 1489 | 1999 |

Divisors count | 2 | 2 |

Divisors | 1, 1489 | 1, 1999 |

Number of properties | 12 | 8 |

Centered triangular primes | 9th | 10th |

Cousin primes (1st member) | 53rd | 65th |

Harmonic primes | 81st | |

Primes | 237th | 303rd |

Prime quadruplets (4th member) | 6th | |

Prime quintuplet 2s (4th member) | 4th | |

Prime triplets (2nd member) | 41st | 50th |

Prime triplets (3rd member) | 40th | 49th |

Pythagorean primes | 115th | |

Sexy primes (2nd member) | 103rd | 128th |

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

Twin primes (2nd member) | 50th | 61st |

Ulam primes | 21st | |

Roman numberals | MCDLXXXIX | MCMXCIX |

Base 2 | 10111010001_{2} | 11111001111_{2} |

Base 3 | 2001011_{3} | 2202001_{3} |

Base 4 | 113101_{4} | 133033_{4} |

Base 5 | 21424_{5} | 30444_{5} |

Base 6 | 10521_{6} | 13131_{6} |

Base 7 | 4225_{7} | 5554_{7} |

Base 8 | 2721_{8} | 3717_{8} |

Base 9 | 2034_{9} | 2661_{9} |

Base 10 | 1489_{10} | 1999_{10} |

Base 11 | 1134_{11} | 1558_{11} |

Base 12 | a41_{12} | 11a7_{12} |

Base 13 | 8a7_{13} | baa_{13} |

Base 14 | 785_{14} | a2b_{14} |

Base 15 | 694_{15} | 8d4_{15} |

Base 16 | 5d1_{16} | 7cf_{16} |