# Divisors of the Positive Integer 261

1, 3, 9, 29, 87, 261## Sum of all the Divisors of 261, including itself

390## Sum of the Proper Divisors of 261

129## Properties of the number 261

The integer 261 is an**odd**number.

The integer 261 is a

**Composite**number.

129 is

*less than*261, so 261 is a

**deficient**number.

## The number 261 as a Roman Numeral

**CCLXI**

## The number 261 in various Numeral Systems

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

2: | 100000101 |

3: | 100200 |

4: | 10011 |

5: | 2021 |

6: | 1113 |

7: | 522 |

8: | 405 |

9: | 320 |

10: | 261 |

11: | 218 |

12: | 199 |

13: | 171 |

14: | 149 |

15: | 126 |

16: | 105 |

17: | F6 |

18: | E9 |

19: | DE |

20: | D1 |

21: | C9 |

22: | BJ |

23: | B8 |

24: | AL |

25: | AB |

26: | A1 |

27: | 9I |

28: | 99 |

29: | 90 |

30: | 8L |

31: | 8D |

32: | 85 |

33: | 7U |

34: | 7N |

35: | 7G |

36: | 79 |