# Compare 281 vs 307

Property | 281 | 307 |
---|---|---|

Type | prime | prime |

Unique factors | 1 | 1 |

Total factors | 1 | 1 |

Prime factorization | 281^{1} | 307^{1} |

Prime factorization | 281 | 307 |

Divisors count | 2 | 2 |

Divisors | 1, 281 | 1, 307 |

Number of properties | 10 | 9 |

Additive primes | 34th | |

Centered decagonal primes | 7th | |

Chen primes | 45th | 47th |

Cousin primes (2nd member) | 17th | |

Cousin primes (1st member) | 18th | |

Good primes | 22nd | |

Harmonic primes | 23rd | 25th |

Isolated primes | 26th | |

Lucky primes | 18th | |

Primes | 60th | 63rd |

Prime triplets (1st member) | 18th | |

Prime triplets (2nd member) | 17th | |

Pythagorean primes | 28th | |

Sexy primes (1st member) | 35th | |

Sophie germain primes | 19th | |

Twin primes (1st member) | 19th | |

Roman numberals | CCLXXXI | CCCVII |

Base 2 | 100011001_{2} | 100110011_{2} |

Base 3 | 101102_{3} | 102101_{3} |

Base 4 | 10121_{4} | 10303_{4} |

Base 5 | 2111_{5} | 2212_{5} |

Base 6 | 1145_{6} | 1231_{6} |

Base 7 | 551_{7} | 616_{7} |

Base 8 | 431_{8} | 463_{8} |

Base 9 | 342_{9} | 371_{9} |

Base 10 | 281_{10} | 307_{10} |

Base 11 | 236_{11} | 25a_{11} |

Base 12 | 1b5_{12} | 217_{12} |

Base 13 | 188_{13} | 1a8_{13} |

Base 14 | 161_{14} | 17d_{14} |

Base 15 | 13b_{15} | 157_{15} |

Base 16 | 119_{16} | 133_{16} |