# Compare 31 vs 36

Property | 31 | 36 |
---|---|---|

Type | prime | composite number |

Unique factors | 1 | 2 |

Total factors | 1 | 4 |

Prime factorization | 31^{1} | 2^{2} × 3^{2} |

Prime factorization | 31 | 2 × 2 × 3 × 3 |

Divisors count | 2 | 9 |

Divisors | 1, 31 | 1, 2, 3, 4, 6, 9, 12, 18, 36 |

Number of properties | 18 | 0 |

Centered decagonal primes | 2nd | |

Centered triangular primes | 2nd | |

Chen primes | 11th | |

Class 1+ primes | 8th | |

Emirps | 3rd | |

Euclid primes | 4th | |

Happy primes | 5th | |

Lucky primes | 4th | |

Mersenne primes | 3rd | |

Multiplicative primes | 7th | |

Pierpont primes of the 2nd kind | 8th | |

Primes | 11th | |

Right-truncatable primes | 7th | |

Sexy primes (1st member) | 7th | |

Sexy prime triplets (1st member) | 5th | |

Solinas primes | 10th | |

Super primes | 5th | |

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

Roman numberals | XXXI | XXXVI |

Base 2 | 11111_{2} | 100100_{2} |

Base 3 | 1011_{3} | 1100_{3} |

Base 4 | 133_{4} | 210_{4} |

Base 5 | 111_{5} | 121_{5} |

Base 6 | 51_{6} | 100_{6} |

Base 7 | 43_{7} | 51_{7} |

Base 8 | 37_{8} | 44_{8} |

Base 9 | 34_{9} | 40_{9} |

Base 10 | 31_{10} | 36_{10} |

Base 11 | 29_{11} | 33_{11} |

Base 12 | 27_{12} | 30_{12} |

Base 13 | 25_{13} | 2a_{13} |

Base 14 | 23_{14} | 28_{14} |

Base 15 | 21_{15} | 26_{15} |

Base 16 | 1f_{16} | 24_{16} |