# Divisors of the Positive Integer 1

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

1## Sum of the Proper Divisors of 1

0## Properties of the number 1

The integer 1 is an**odd**number.

The number 1 is neither Composite nor Prime.

0 is

*less than*1, so 1 is a

**deficient**number.

## The number 1 as a Roman Numeral

**I**

## The number 1 in various Numeral Systems

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

2: | 1 |

3: | 1 |

4: | 1 |

5: | 1 |

6: | 1 |

7: | 1 |

8: | 1 |

9: | 1 |

10: | 1 |

11: | 1 |

12: | 1 |

13: | 1 |

14: | 1 |

15: | 1 |

16: | 1 |

17: | 1 |

18: | 1 |

19: | 1 |

20: | 1 |

21: | 1 |

22: | 1 |

23: | 1 |

24: | 1 |

25: | 1 |

26: | 1 |

27: | 1 |

28: | 1 |

29: | 1 |

30: | 1 |

31: | 1 |

32: | 1 |

33: | 1 |

34: | 1 |

35: | 1 |

36: | 1 |