**decimal number to octal number:**

Decimal Number | |

Octal Number |

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## Decimal Number

Whole number, a decimal point and a fractional value combines to form a decimal number. The decimal point separates the whole number part from the fractional part of the number. Each digit of a decimal number can be any number from 0 to 9. Any value less than 1 is written to the right of decimal point. Decimal numbers are also known as *base-10 number or counting numbers*. Place value of decimal number varies as the whole number powers of 10 starting from the left of decimal point. Similarly, the place value of digits left to decimal point varies as the division of power of tens.

## Octal Number

Octal numbers use digits from 0-7 only. It is known as *base-8 number*. The place value of each digits of an octal number varies as the whole number powers of 8 starting from the right (Least Significant Digit). The first single digit number in octal system is 0 and the last is 7. Similarly, the first two digit octal number is 10 and the last is 77 and so on. Octal number system was widely used in early computers.

## Decimal to octal conversion example

### Convert 582_{10} to octal

582_{10} = 1106_{8}

### Convert 859_{10} to octal

859_{10} = 1533_{8}

### Read More: How to convert a decimal number to an octal number

## Decimal to octal conversion table

Decimal Number | Octal Number |
---|---|

1 | 1 |

2 | 2 |

3 | 3 |

4 | 4 |

5 | 5 |

6 | 6 |

7 | 7 |

8 | 10 |

9 | 11 |

10 | 12 |

11 | 13 |

12 | 14 |

13 | 15 |

14 | 16 |

15 | 17 |

16 | 20 |

50 | 62 |

100 | 144 |

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