# Compare 18 vs 41

Property | 18 | 41 |
---|---|---|

Type | composite number | prime |

Unique factors | 2 | 1 |

Total factors | 3 | 1 |

Prime factorization | 2^{1} × 3^{2} | 41^{1} |

Prime factorization | 2 × 3 × 3 | 41 |

Divisors count | 6 | 2 |

Divisors | 1, 2, 3, 6, 9, 18 | 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 | XVIII | XLI |

Base 2 | 10010_{2} | 101001_{2} |

Base 3 | 200_{3} | 1112_{3} |

Base 4 | 102_{4} | 221_{4} |

Base 5 | 33_{5} | 131_{5} |

Base 6 | 30_{6} | 105_{6} |

Base 7 | 24_{7} | 56_{7} |

Base 8 | 22_{8} | 51_{8} |

Base 9 | 20_{9} | 45_{9} |

Base 10 | 18_{10} | 41_{10} |

Base 11 | 17_{11} | 38_{11} |

Base 12 | 16_{12} | 35_{12} |

Base 13 | 15_{13} | 32_{13} |

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

Base 15 | 13_{15} | 2b_{15} |

Base 16 | 12_{16} | 29_{16} |