# Divisors of the Positive Integer 6991

1, 6991## Sum of all the Divisors of 6991, including itself

6992## Sum of the Proper Divisors of 6991

1## Properties of the number 6991

The integer 6991 is an**odd**number.

The integer 6991 is a

**Prime**number.

1 is

*less than*6991, so 6991 is a

**deficient**number.

## The number 6991 as a Roman Numeral

**_VMCMXCI**(Roman Numerals with underscores in front have their values increased by 1,000. The underscore represents a line over the numeral, because the Romans used overlines to multiply by 1,000.)

## The number 6991 in various Numeral Systems

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

2: | 1101101001111 |

3: | 100120221 |

4: | 1231033 |

5: | 210431 |

6: | 52211 |

7: | 26245 |

8: | 15517 |

9: | 10527 |

10: | 6991 |

11: | 5286 |

12: | 4067 |

13: | 324A |

14: | 2795 |

15: | 2111 |

16: | 1B4F |

17: | 1734 |

18: | 13A7 |

19: | 106I |

20: | H9B |

21: | FHJ |

22: | E9H |

23: | D4M |

24: | C37 |

25: | B4G |

26: | A8N |

27: | 9FP |

28: | 8PJ |

29: | 892 |

30: | 7N1 |

31: | 78G |

32: | 6QF |

33: | 6DS |

34: | 61L |

35: | 5OQ |

36: | 5E7 |