# Divisors of the Positive Integer 861

1, 3, 7, 21, 41, 123, 287, 861## Sum of all the Divisors of 861, including itself

1344## Sum of the Proper Divisors of 861

483## Properties of the number 861

The integer 861 is an**odd**number.

The integer 861 is a

**Composite**number.

483 is

*less than*861, so 861 is a

**deficient**number.

## The number 861 as a Roman Numeral

**DCCCLXI**

## The number 861 in various Numeral Systems

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

2: | 1101011101 |

3: | 1011220 |

4: | 31131 |

5: | 11421 |

6: | 3553 |

7: | 2340 |

8: | 1535 |

9: | 1156 |

10: | 861 |

11: | 713 |

12: | 5B9 |

13: | 513 |

14: | 457 |

15: | 3C6 |

16: | 35D |

17: | 2GB |

18: | 2BF |

19: | 276 |

20: | 231 |

21: | 1K0 |

22: | 1H3 |

23: | 1EA |

24: | 1BL |

25: | 19B |

26: | 173 |

27: | 14O |

28: | 12L |

29: | 10K |

30: | SL |

31: | RO |

32: | QT |

33: | Q3 |

34: | PB |

35: | OL |

36: | NX |