# Compare 263 vs 281

Property | 263 | 281 |
---|---|---|

Type | prime | prime |

Unique factors | 1 | 1 |

Total factors | 1 | 1 |

Prime factorization | 263^{1} | 281^{1} |

Prime factorization | 263 | 281 |

Divisors count | 2 | 2 |

Divisors | 1, 263 | 1, 281 |

Number of properties | 14 | 10 |

Additive primes | 32nd | 34th |

Centered decagonal primes | 7th | |

Chen primes | 43rd | 45th |

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

Happy primes | 14th | |

Harmonic primes | 21st | 23rd |

Isolated primes | 23rd | |

Long primes | 22nd | |

Primes | 56th | 60th |

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

Pythagorean primes | 28th | |

Safe primes | 12th | |

Sexy primes (1st member) | 32nd | |

Sexy primes (2nd member) | 31st | |

Sexy prime quadrupletss (3rd member) | 5th | |

Sexy prime triplets (2nd member) | 16th | |

Sexy prime triplets (3rd member) | 15th | |

Solinas primes | 32nd | |

Sophie germain primes | 19th | |

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

Roman numberals | CCLXIII | CCLXXXI |

Base 2 | 100000111_{2} | 100011001_{2} |

Base 3 | 100202_{3} | 101102_{3} |

Base 4 | 10013_{4} | 10121_{4} |

Base 5 | 2023_{5} | 2111_{5} |

Base 6 | 1115_{6} | 1145_{6} |

Base 7 | 524_{7} | 551_{7} |

Base 8 | 407_{8} | 431_{8} |

Base 9 | 322_{9} | 342_{9} |

Base 10 | 263_{10} | 281_{10} |

Base 11 | 21a_{11} | 236_{11} |

Base 12 | 19b_{12} | 1b5_{12} |

Base 13 | 173_{13} | 188_{13} |

Base 14 | 14b_{14} | 161_{14} |

Base 15 | 128_{15} | 13b_{15} |

Base 16 | 107_{16} | 119_{16} |