# Divisors of the Positive Integer 61

1, 61## Sum of all the Divisors of 61, including itself

62## Sum of the Proper Divisors of 61

1## Properties of the number 61

The integer 61 is an**odd**number.

The integer 61 is a

**Prime**number.

1 is

*less than*61, so 61 is a

**deficient**number.

## The number 61 as a Roman Numeral

**LXI**

## The number 61 in various Numeral Systems

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

2: | 111101 |

3: | 2021 |

4: | 331 |

5: | 221 |

6: | 141 |

7: | 115 |

8: | 75 |

9: | 67 |

10: | 61 |

11: | 56 |

12: | 51 |

13: | 49 |

14: | 45 |

15: | 41 |

16: | 3D |

17: | 3A |

18: | 37 |

19: | 34 |

20: | 31 |

21: | 2J |

22: | 2H |

23: | 2F |

24: | 2D |

25: | 2B |

26: | 29 |

27: | 27 |

28: | 25 |

29: | 23 |

30: | 21 |

31: | 1U |

32: | 1T |

33: | 1S |

34: | 1R |

35: | 1Q |

36: | 1P |