# Compare 43 vs 55

Property | 43 | 55 |
---|---|---|

Type | prime | semiprime |

Unique factors | 1 | 2 |

Total factors | 1 | 2 |

Prime factorization | 43^{1} | 5^{1} × 11^{1} |

Prime factorization | 43 | 5 × 11 |

Divisors count | 2 | 4 |

Divisors | 1, 43 | 1, 5, 11, 55 |

Number of properties | 12 | 1 |

Additive primes | 9th | |

Centered heptagonal primes | 1st | |

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

Left-truncatable primes | 9th | |

Lucky primes | 6th | |

Primes | 14th | |

Prime triplets (2nd member) | 7th | |

Prime triplets (3rd member) | 6th | |

Semiprimes | 19th | |

Sexy primes (2nd member) | 8th | |

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

Twin primes (2nd member) | 6th | |

Wagstaff primes | 3rd | |

Roman numberals | XLIII | LV |

Base 2 | 101011_{2} | 110111_{2} |

Base 3 | 1121_{3} | 2001_{3} |

Base 4 | 223_{4} | 313_{4} |

Base 5 | 133_{5} | 210_{5} |

Base 6 | 111_{6} | 131_{6} |

Base 7 | 61_{7} | 106_{7} |

Base 8 | 53_{8} | 67_{8} |

Base 9 | 47_{9} | 61_{9} |

Base 10 | 43_{10} | 55_{10} |

Base 11 | 3a_{11} | 50_{11} |

Base 12 | 37_{12} | 47_{12} |

Base 13 | 34_{13} | 43_{13} |

Base 14 | 31_{14} | 3d_{14} |

Base 15 | 2d_{15} | 3a_{15} |

Base 16 | 2b_{16} | 37_{16} |