Decimal | 40 |

Binary | 101000 |

Hexadecimal | 0x28 |

Roman | XL |

Dotted decimal | 0.0.0.40 |

Square root of | 1600 |

Factors | 5 2 2 2 |

English | forty |

Wikipedia Article about 40 | Wikipedia Article about 40 |

RGB Color | #000028, |

Number info: 40: ASCII code for | Open parenthesis (or open bracket) |

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