Let's begin with a basic information:

Number 1 has 1 figures which are brought to 1. In English it sounds so: one. Besides, the numbers representing number 1 are: one.

Number 1 - decimal number which means that on the basis 10. 1 can be also presented in different bases, such as the Binary system of calculation also looks: 1, the Octal system of an calculation also, also looks as 1 and 16, in Hexadecimal system of calculation and looks as follows: 1. These are the most widespread systems of calculation, but, of course, there are also others.

Number 1 is Positive and Odd. His inverse number 1 and negative number -1. Number 1 can be divided on 1 without the rest. Besides, it is an ideal square, and it not a prime number. Now let's use trigonometrical functions. By means of sinusoidal function: Sin(1°) gives 0,841, using function of the Cosine of the cos function (1°) gives 0,54 and through the Tangent the tan function(1°) is made by 1,557.

Binary (base two): | 1 |

Octal (base 8): | 1 |

Hexadecimal (base 16): | 1 |

Inverse: | 1 |

Counter: | -1 |

Divisible by: | 1 |

Factorial number: | 1 |

Number of digits: | 1 |

Sum of digits: | 1 |

Next number: 2 | |

Even / Odd: | Odd |

Unix Timestamp: | Thu Jan 01 00:00:01 1970 |

Perfect square: | YES ( 1 ) |

Prime: | NO |

Positive / Negative: | Positive |

English: | one |

English digits: | one |

Sin: | 0,841 |

Cos: | 0,54 |

Tan: | 1,557 |