# Compare 641 vs 881

Property | 641 | 881 |
---|---|---|

Type | prime | prime |

Unique factors | 1 | 1 |

Total factors | 1 | 1 |

Prime factorization | 641^{1} | 881^{1} |

Prime factorization | 641 | 881 |

Divisors count | 2 | 2 |

Divisors | 1, 641 | 1, 881 |

Number of properties | 14 | 12 |

Additive primes | 62nd | 80th |

Chen primes | 81st | 104th |

Cousin primes (2nd member) | 37th | |

Good primes | 35th | |

Happy primes | 33rd | |

Harmonic primes | 57th | |

Primes | 116th | 152nd |

Prime triplets (1st member) | 24th | 30th |

Prime triplets (2nd member) | 29th | |

Proth primes | 14th | |

Pythagorean primes | 55th | 74th |

Quartan primes | 6th | 7th |

Sexy primes (1st member) | 57th | 69th |

Sexy prime quadrupletss (1st member) | 7th | |

Sexy prime triplets (1st member) | 24th | |

Solinas primes | 41st | |

Sophie germain primes | 28th | |

Twin primes (1st member) | 29th | 35th |

Roman numberals | DCXLI | DCCCLXXXI |

Base 2 | 1010000001_{2} | 1101110001_{2} |

Base 3 | 212202_{3} | 1012122_{3} |

Base 4 | 22001_{4} | 31301_{4} |

Base 5 | 10031_{5} | 12011_{5} |

Base 6 | 2545_{6} | 4025_{6} |

Base 7 | 1604_{7} | 2366_{7} |

Base 8 | 1201_{8} | 1561_{8} |

Base 9 | 782_{9} | 1178_{9} |

Base 10 | 641_{10} | 881_{10} |

Base 11 | 533_{11} | 731_{11} |

Base 12 | 455_{12} | 615_{12} |

Base 13 | 3a4_{13} | 52a_{13} |

Base 14 | 33b_{14} | 46d_{14} |

Base 15 | 2cb_{15} | 3db_{15} |

Base 16 | 281_{16} | 371_{16} |