# Divisors of the Positive Integer 66

1, 2, 3, 6, 11, 22, 33, 66## Sum of all the Divisors of 66, including itself

144## Sum of the Proper Divisors of 66

78## Properties of the number 66

The integer 66 is an**even**number.

The integer 66 is a

**Composite**number.

78 is

*greater than*66, so 66 is an

**abundant**number.

## The number 66 as a Roman Numeral

**LXVI**

## The number 66 in various Numeral Systems

Base |
Representation |
---|---|

2: | 1000010 |

3: | 2110 |

4: | 1002 |

5: | 231 |

6: | 150 |

7: | 123 |

8: | 102 |

9: | 73 |

10: | 66 |

11: | 60 |

12: | 56 |

13: | 51 |

14: | 4A |

15: | 46 |

16: | 42 |

17: | 3F |

18: | 3C |

19: | 39 |

20: | 36 |

21: | 33 |

22: | 30 |

23: | 2K |

24: | 2I |

25: | 2G |

26: | 2E |

27: | 2C |

28: | 2A |

29: | 28 |

30: | 26 |

31: | 24 |

32: | 22 |

33: | 20 |

34: | 1W |

35: | 1V |

36: | 1U |