# Compare 1871 vs 2521

Property | 1871 | 2521 |
---|---|---|

Type | prime | prime |

Unique factors | 1 | 1 |

Total factors | 1 | 1 |

Prime factorization | 1871^{1} | 2521^{1} |

Prime factorization | 1871 | 2521 |

Divisors count | 2 | 2 |

Divisors | 1, 1871 | 1, 2521 |

Number of properties | 11 | 6 |

Additive primes | 151st | |

Centered square primes | 18th | |

Chen primes | 176th | |

Cousin primes (2nd member) | 62nd | |

Good primes | 60th | 71st |

Harmonic primes | 138th | |

Isolated primes | 226th | |

Primes | 286th | 369th |

Prime quadruplets (1st member) | 7th | |

Prime quintuplet 1s (2nd member) | 3rd | |

Prime triplets (1st member) | 47th | |

Prime triplets (2nd member) | 46th | |

Pythagorean primes | 181st | |

Sexy primes (1st member) | 122nd | |

Twin primes (1st member) | 57th | |

Roman numberals | MDCCCLXXI | MMDXXI |

Base 2 | 11101001111_{2} | 100111011001_{2} |

Base 3 | 2120022_{3} | 10110101_{3} |

Base 4 | 131033_{4} | 213121_{4} |

Base 5 | 24441_{5} | 40041_{5} |

Base 6 | 12355_{6} | 15401_{6} |

Base 7 | 5312_{7} | 10231_{7} |

Base 8 | 3517_{8} | 4731_{8} |

Base 9 | 2508_{9} | 3411_{9} |

Base 10 | 1871_{10} | 2521_{10} |

Base 11 | 1451_{11} | 1992_{11} |

Base 12 | 10bb_{12} | 1561_{12} |

Base 13 | b0c_{13} | 11bc_{13} |

Base 14 | 979_{14} | cc1_{14} |

Base 15 | 84b_{15} | b31_{15} |

Base 16 | 74f_{16} | 9d9_{16} |