# Compare 23 vs 45

Property | 23 | 45 |
---|---|---|

Type | prime | composite number |

Unique factors | 1 | 2 |

Total factors | 1 | 3 |

Prime factorization | 23^{1} | 3^{2} × 5^{1} |

Prime factorization | 23 | 3 × 3 × 5 |

Divisors count | 2 | 6 |

Divisors | 1, 23 | 1, 3, 5, 9, 15, 45 |

Number of properties | 30 | 0 |

Additive primes | 6th | |

Chen primes | 9th | |

Class 1+ primes | 7th | |

Cousin primes (2nd member) | 4th | |

Factorial primes | 5th | |

Happy primes | 4th | |

Harmonic primes | 4th | |

Isolated primes | 2nd | |

Kynea primes | 3rd | |

Left-truncatable primes | 7th | |

Long primes | 4th | |

Pierpont primes of the 2nd kind | 7th | |

Primes | 9th | |

Prime quintuplet 2s (5th member) | 2nd | |

Prime sextuplets (6th member) | 1st | |

Prime triplets (3rd member) | 5th | |

Right-truncatable primes | 5th | |

Safe primes | 4th | |

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

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

Sexy prime quadrupletss (4th member) | 1st | |

Sexy prime quadrupletss (3rd member) | 2nd | |

Sexy prime triplets (2nd member) | 4th | |

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

Solinas primes | 8th | |

Sophie germain primes | 5th | |

Thabit primes | 4th | |

Two-sided primes | 5th | |

Wedderburn-etherington primes | 4th | |

Woodall primes | 2nd | |

Roman numberals | XXIII | XLV |

Base 2 | 10111_{2} | 101101_{2} |

Base 3 | 212_{3} | 1200_{3} |

Base 4 | 113_{4} | 231_{4} |

Base 5 | 43_{5} | 140_{5} |

Base 6 | 35_{6} | 113_{6} |

Base 7 | 32_{7} | 63_{7} |

Base 8 | 27_{8} | 55_{8} |

Base 9 | 25_{9} | 50_{9} |

Base 10 | 23_{10} | 45_{10} |

Base 11 | 21_{11} | 41_{11} |

Base 12 | 1b_{12} | 39_{12} |

Base 13 | 1a_{13} | 36_{13} |

Base 14 | 19_{14} | 33_{14} |

Base 15 | 18_{15} | 30_{15} |

Base 16 | 17_{16} | 2d_{16} |