# Compare 16421 vs 16447

Property | 16421 | 16447 |
---|---|---|

Type | prime | prime |

Unique factors | 1 | 1 |

Total factors | 1 | 1 |

Prime factorization | 16421^{1} | 16447^{1} |

Prime factorization | 16421 | 16447 |

Divisors count | 2 | 2 |

Divisors | 1, 16421 | 1, 16447 |

Number of properties | 10 | 9 |

Chen primes | 957th | 959th |

Cousin primes (1st member) | 306th | |

Cousin primes (2nd member) | 305th | |

Isolated primes | 1324th | 1327th |

Long primes | 735th | 737th |

Lucky primes | 314th | |

Primes | 1903rd | 1906th |

Prime triplets (1st member) | 150th | |

Pythagorean primes | 943rd | |

Sexy primes (1st member) | 594th | 596th |

Sexy prime triplets (1st member) | 167th | |

Solinas primes | 87th | |

Sophie germain primes | 282nd | |

Ulam primes | 141st | |

Roman numberals | ||

Base 2 | 100000000100101_{2} | 100000000111111_{2} |

Base 3 | 211112012_{3} | 211120011_{3} |

Base 4 | 10000211_{4} | 10000333_{4} |

Base 5 | 1011141_{5} | 1011242_{5} |

Base 6 | 204005_{6} | 204051_{6} |

Base 7 | 65606_{7} | 65644_{7} |

Base 8 | 40045_{8} | 40077_{8} |

Base 9 | 24465_{9} | 24504_{9} |

Base 10 | 16421_{10} | 16447_{10} |

Base 11 | 11379_{11} | 113a2_{11} |

Base 12 | 9605_{12} | 9627_{12} |

Base 13 | 7622_{13} | 7642_{13} |

Base 14 | 5dad_{14} | 5dcb_{14} |

Base 15 | 4ceb_{15} | 4d17_{15} |

Base 16 | 4025_{16} | 403f_{16} |