### What is decimal number system?

Decem is a latin word. Decem means ten. There are total 10 symbols in this numbers system from 0 to 9.

### What are symbols in decimal number system?

Followings are the symbol in decimal number system;

**0 1 2 3 4 5 6 7 8 9**

Decimal number system is positional number system. Position plays very important role in this system. For example;

**1427** **≠** **1472**

**1427 = **(1*10^{3}) + (4*10^{2}) + (2*10^{1}) + (7*10^{0})

**1472 = **(1*10^{3}) + (4*10^{2}) + (7*10^{1}) + (2*10^{0})

Decimal number system is the most commonly used number system by the human being.

Decimal | Binary | Octal |

0 | 000 | 0 |

1 | 001 | 1 |

2 | 010 | 2 |

3 | 011 | 3 |

4 | 100 | 4 |

5 | 101 | 5 |

6 | 110 | 6 |

7 | 111 | 7 |

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