# Divisors of the Positive Integer 641

1, 641## Sum of all the Divisors of 641, including itself

642## Sum of the Proper Divisors of 641

1## Properties of the number 641

The integer 641 is an**odd**number.

The integer 641 is a

**Prime**number.

1 is

*less than*641, so 641 is a

**deficient**number.

## The number 641 as a Roman Numeral

**DCXLI**

## The number 641 in various Numeral Systems

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

2: | 1010000001 |

3: | 212202 |

4: | 22001 |

5: | 10031 |

6: | 2545 |

7: | 1604 |

8: | 1201 |

9: | 782 |

10: | 641 |

11: | 533 |

12: | 455 |

13: | 3A4 |

14: | 33B |

15: | 2CB |

16: | 281 |

17: | 23C |

18: | 1HB |

19: | 1EE |

20: | 1C1 |

21: | 19B |

22: | 173 |

23: | 14K |

24: | 12H |

25: | 10G |

26: | OH |

27: | NK |

28: | MP |

29: | M3 |

30: | LB |

31: | KL |

32: | K1 |

33: | JE |

34: | IT |

35: | IB |

36: | HT |