## Number of zeros |
## U.S. & scientific community |

## 3 |
## Thousand |

## 6 |
## Million |

## 9 |
## Billion |

## 12 |
## Trillion |

## 15 |
## Quadrillion |

## 18 |
## Quintillion |

## 21 |
## Sextillion |

## 24 |
## Septillion |

## 27 |
## Octillion |

## 30 |
## Nonillion |

## 33 |
## Decillion |

## 36 |
## Undecillion |

## 39 |
## Duodecillion |

## 42 |
## Tredecillion |

## 45 |
## Quattuordecillion |

## 48 |
## Quindecillion |

## 51 |
## Sexdecillion |

## 54 |
## Septendecillion |

## 57 |
## Octodecillion |

## 60 |
## Novemdecillion |