# Divisors of the Positive Integer 51

1, 3, 17, 51## Sum of all the Divisors of 51, including itself

72## Sum of the Proper Divisors of 51

21## Properties of the number 51

The integer 51 is an**odd**number.

The integer 51 is a

**Composite**number.

21 is

*less than*51, so 51 is a

**deficient**number.

## The number 51 as a Roman Numeral

**LI**

## The number 51 in various Numeral Systems

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

2: | 110011 |

3: | 1220 |

4: | 303 |

5: | 201 |

6: | 123 |

7: | 102 |

8: | 63 |

9: | 56 |

10: | 51 |

11: | 47 |

12: | 43 |

13: | 3C |

14: | 39 |

15: | 36 |

16: | 33 |

17: | 30 |

18: | 2F |

19: | 2D |

20: | 2B |

21: | 29 |

22: | 27 |

23: | 25 |

24: | 23 |

25: | 21 |

26: | 1P |

27: | 1O |

28: | 1N |

29: | 1M |

30: | 1L |

31: | 1K |

32: | 1J |

33: | 1I |

34: | 1H |

35: | 1G |

36: | 1F |