Positive Integers » 20001-30000 » 21601-21700 » 21688

# Divisors of the Positive Integer 21688

1, 2, 4, 8, 2711, 5422, 10844, 21688## Sum of all the Divisors of 21688, including itself

40680## Sum of the Proper Divisors of 21688

18992## Properties of the number 21688

The integer 21688 is an**even**number.

The integer 21688 is a

**Composite**number.

18992 is

*less than*21688, so 21688 is a

**deficient**number.

## The number 21688 as a Roman Numeral

**_X_XMDCLXXXVIII**(Roman Numerals with underscores in front have their values increased by 1,000. The underscore represents a line over the numeral, because the Romans used overlines to multiply by 1,000.)

## The number 21688 in various Numeral Systems

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

2: | 101010010111000 |

3: | 1002202021 |

4: | 11102320 |

5: | 1143223 |

6: | 244224 |

7: | 120142 |

8: | 52270 |

9: | 32667 |

10: | 21688 |

11: | 15327 |

12: | 10674 |

13: | 9B44 |

14: | 7C92 |

15: | 665D |

16: | 54B8 |

17: | 470D |

18: | 3CGG |

19: | 3319 |

20: | 2E48 |

21: | 273G |

22: | 20HI |

23: | 1HMM |

24: | 1DFG |

25: | 19HD |

26: | 1624 |

27: | 12K7 |

28: | RIG |

29: | PMP |

30: | O2S |

31: | MHJ |

32: | L5O |

33: | JU7 |

34: | IPU |

35: | HON |

36: | GQG |