# Divisors of the Positive Integer 15

1, 3, 5, 15## Sum of all the Divisors of 15, including itself

24## Sum of the Proper Divisors of 15

9## Properties of the number 15

The integer 15 is an**odd**number.

The integer 15 is a

**Composite**number.

9 is

*less than*15, so 15 is a

**deficient**number.

## The number 15 as a Roman Numeral

**XV**

## The number 15 in various Numeral Systems

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

2: | 1111 |

3: | 120 |

4: | 33 |

5: | 30 |

6: | 23 |

7: | 21 |

8: | 17 |

9: | 16 |

10: | 15 |

11: | 14 |

12: | 13 |

13: | 12 |

14: | 11 |

15: | 10 |

16: | F |

17: | F |

18: | F |

19: | F |

20: | F |

21: | F |

22: | F |

23: | F |

24: | F |

25: | F |

26: | F |

27: | F |

28: | F |

29: | F |

30: | F |

31: | F |

32: | F |

33: | F |

34: | F |

35: | F |

36: | F |