# Divisors of the Positive Integer 221

1, 13, 17, 221## Sum of all the Divisors of 221, including itself

252## Sum of the Proper Divisors of 221

31## Properties of the number 221

The integer 221 is an**odd**number.

The integer 221 is a

**Composite**number.

31 is

*less than*221, so 221 is a

**deficient**number.

## The number 221 as a Roman Numeral

**CCXXI**

## The number 221 in various Numeral Systems

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

2: | 11011101 |

3: | 22012 |

4: | 3131 |

5: | 1341 |

6: | 1005 |

7: | 434 |

8: | 335 |

9: | 265 |

10: | 221 |

11: | 191 |

12: | 165 |

13: | 140 |

14: | 11B |

15: | EB |

16: | DD |

17: | D0 |

18: | C5 |

19: | BC |

20: | B1 |

21: | AB |

22: | A1 |

23: | 9E |

24: | 95 |

25: | 8L |

26: | 8D |

27: | 85 |

28: | 7P |

29: | 7I |

30: | 7B |

31: | 74 |

32: | 6T |

33: | 6N |

34: | 6H |

35: | 6B |

36: | 65 |