# Divisors of the Positive Integer 1989

1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989## Sum of all the Divisors of 1989, including itself

3276## Sum of the Proper Divisors of 1989

1287## Properties of the number 1989

The integer 1989 is an**odd**number.

The integer 1989 is a

**Composite**number.

1287 is

*less than*1989, so 1989 is a

**deficient**number.

## The number 1989 as a Roman Numeral

**MCMLXXXIX**

## The number 1989 in various Numeral Systems

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

2: | 11111000101 |

3: | 2201200 |

4: | 133011 |

5: | 30424 |

6: | 13113 |

7: | 5541 |

8: | 3705 |

9: | 2650 |

10: | 1989 |

11: | 1549 |

12: | 1199 |

13: | BA0 |

14: | A21 |

15: | 8C9 |

16: | 7C5 |

17: | 6F0 |

18: | 629 |

19: | 59D |

20: | 4J9 |

21: | 4AF |

22: | 429 |

23: | 3HB |

24: | 3AL |

25: | 34E |

26: | 2OD |

27: | 2JI |

28: | 2F1 |

29: | 2AH |

30: | 269 |

31: | 225 |

32: | 1U5 |

33: | 1R9 |

34: | 1OH |

35: | 1LT |

36: | 1J9 |