# Compare 647 vs 659

Property | 647 | 659 |
---|---|---|

Type | prime | prime |

Unique factors | 1 | 1 |

Total factors | 1 | 1 |

Prime factorization | 647^{1} | 659^{1} |

Prime factorization | 647 | 659 |

Divisors count | 2 | 2 |

Divisors | 1, 647 | 1, 659 |

Number of properties | 15 | 8 |

Additive primes | 64th | |

Chen primes | 82nd | 84th |

Class 1+ primes | 17th | |

Cousin primes (2nd member) | 29th | |

Isolated primes | 61st | |

Left-truncatable primes | 39th | |

Long primes | 43rd | 44th |

Pierpont primes of the 2nd kind | 17th | |

Primes | 118th | 120th |

Prime triplets (3rd member) | 24th | |

Sexy primes (1st member) | 58th | |

Sexy primes (2nd member) | 57th | 59th |

Sexy prime quadrupletss (4th member) | 7th | |

Sexy prime quadrupletss (2nd member) | 7th | |

Sexy prime triplets (1st member) | 25th | |

Sexy prime triplets (2nd member) | 24th | |

Sexy prime triplets (3rd member) | 25th | |

Sophie germain primes | 30th | |

Twin primes (1st member) | 30th | |

Roman numberals | DCXLVII | DCLIX |

Base 2 | 1010000111_{2} | 1010010011_{2} |

Base 3 | 212222_{3} | 220102_{3} |

Base 4 | 22013_{4} | 22103_{4} |

Base 5 | 10042_{5} | 10114_{5} |

Base 6 | 2555_{6} | 3015_{6} |

Base 7 | 1613_{7} | 1631_{7} |

Base 8 | 1207_{8} | 1223_{8} |

Base 9 | 788_{9} | 812_{9} |

Base 10 | 647_{10} | 659_{10} |

Base 11 | 539_{11} | 54a_{11} |

Base 12 | 45b_{12} | 46b_{12} |

Base 13 | 3aa_{13} | 3b9_{13} |

Base 14 | 343_{14} | 351_{14} |

Base 15 | 2d2_{15} | 2de_{15} |

Base 16 | 287_{16} | 293_{16} |