# Divisors of the Positive Integer 181

1, 181## Sum of all the Divisors of 181, including itself

182## Sum of the Proper Divisors of 181

1## Properties of the number 181

The integer 181 is an**odd**number.

The integer 181 is a

**Prime**number.

1 is

*less than*181, so 181 is a

**deficient**number.

## The number 181 as a Roman Numeral

**CLXXXI**

## The number 181 in various Numeral Systems

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

2: | 10110101 |

3: | 20201 |

4: | 2311 |

5: | 1211 |

6: | 501 |

7: | 346 |

8: | 265 |

9: | 221 |

10: | 181 |

11: | 155 |

12: | 131 |

13: | 10C |

14: | CD |

15: | C1 |

16: | B5 |

17: | AB |

18: | A1 |

19: | 9A |

20: | 91 |

21: | 8D |

22: | 85 |

23: | 7K |

24: | 7D |

25: | 76 |

26: | 6P |

27: | 6J |

28: | 6D |

29: | 67 |

30: | 61 |

31: | 5Q |

32: | 5L |

33: | 5G |

34: | 5B |

35: | 56 |

36: | 51 |