# Compare 28 vs 41

Property | 28 | 41 |
---|---|---|

Type | composite number | prime |

Unique factors | 2 | 1 |

Total factors | 3 | 1 |

Prime factorization | 2^{2} × 7^{1} | 41^{1} |

Prime factorization | 2 × 2 × 7 | 41 |

Divisors count | 6 | 2 |

Divisors | 1, 2, 4, 7, 14, 28 | 1, 41 |

Number of properties | 0 | 18 |

Additive primes | 8th | |

Centered square primes | 3rd | |

Chen primes | 13th | |

Cousin primes (2nd member) | 5th | |

Good primes | 6th | |

Harmonic primes | 5th | |

Primes | 13th | |

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

Prime triplets (2nd member) | 6th | |

Proth primes | 5th | |

Pythagorean primes | 6th | |

Sexy primes (1st member) | 9th | |

Sexy prime quadrupletss (1st member) | 3rd | |

Sexy prime triplets (1st member) | 6th | |

Solinas primes | 12th | |

Sophie germain primes | 7th | |

Super primes | 6th | |

Twin primes (1st member) | 6th | |

Roman numberals | XXVIII | XLI |

Base 2 | 11100_{2} | 101001_{2} |

Base 3 | 1001_{3} | 1112_{3} |

Base 4 | 130_{4} | 221_{4} |

Base 5 | 103_{5} | 131_{5} |

Base 6 | 44_{6} | 105_{6} |

Base 7 | 40_{7} | 56_{7} |

Base 8 | 34_{8} | 51_{8} |

Base 9 | 31_{9} | 45_{9} |

Base 10 | 28_{10} | 41_{10} |

Base 11 | 26_{11} | 38_{11} |

Base 12 | 24_{12} | 35_{12} |

Base 13 | 22_{13} | 32_{13} |

Base 14 | 20_{14} | 2d_{14} |

Base 15 | 1d_{15} | 2b_{15} |

Base 16 | 1c_{16} | 29_{16} |