Examples for

Number Names

Wolfram|Alpha's comprehensive knowledge of natural language allows you to explore the way that numbers are named and spoken aloud in a variety of languages. From their decimal representations, see the way numbers are spelled longhand, use a number's name to determine its decimal value, use mixed notations and explore the properties of vigintillions of named numbers, or calculate the solutions for word problems using solely the common-language representation of numbers.

Number Names

Compute the English-language names for numbers, determine the properties of a number by specifying its name or discover the names of numbers in other languages.

Find the English name for a number:

spell 1,702,465,818

spell 40

write out 10^39

Specify a number by name:

four thousand three hundred twelve

1 vigintillion

five sixteenths

Mix words and numerals:

165 million

Get number names in a given language:

German numeral names