# Divisors of the Positive Integer 19

1, 19## Sum of all the Divisors of 19, including itself

20## Sum of the Proper Divisors of 19

1## Properties of the number 19

The integer 19 is an**odd**number.

The integer 19 is a

**Prime**number.

1 is

*less than*19, so 19 is a

**deficient**number.

## The number 19 as a Roman Numeral

**XIX**

## The number 19 in various Numeral Systems

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

2: | 10011 |

3: | 201 |

4: | 103 |

5: | 34 |

6: | 31 |

7: | 25 |

8: | 23 |

9: | 21 |

10: | 19 |

11: | 18 |

12: | 17 |

13: | 16 |

14: | 15 |

15: | 14 |

16: | 13 |

17: | 12 |

18: | 11 |

19: | 10 |

20: | J |

21: | J |

22: | J |

23: | J |

24: | J |

25: | J |

26: | J |

27: | J |

28: | J |

29: | J |

30: | J |

31: | J |

32: | J |

33: | J |

34: | J |

35: | J |

36: | J |