# Divisors of the Positive Integer 2561

1, 13, 197, 2561## Sum of all the Divisors of 2561, including itself

2772## Sum of the Proper Divisors of 2561

211## Properties of the number 2561

The integer 2561 is an**odd**number.

The integer 2561 is a

**Composite**number.

211 is

*less than*2561, so 2561 is a

**deficient**number.

## The number 2561 as a Roman Numeral

**MMDLXI**

## The number 2561 in various Numeral Systems

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

2: | 101000000001 |

3: | 10111212 |

4: | 220001 |

5: | 40221 |

6: | 15505 |

7: | 10316 |

8: | 5001 |

9: | 3455 |

10: | 2561 |

11: | 1A19 |

12: | 1595 |

13: | 1220 |

14: | D0D |

15: | B5B |

16: | A01 |

17: | 8EB |

18: | 7G5 |

19: | 71F |

20: | 681 |

21: | 5GK |

22: | 569 |

23: | 4J8 |

24: | 4AH |

25: | 42B |

26: | 3KD |

27: | 3DN |

28: | 37D |

29: | 319 |

30: | 2PB |

31: | 2KJ |

32: | 2G1 |

33: | 2BK |

34: | 27B |

35: | 236 |

36: | 1Z5 |