PERSONAL PAGES: On Beyond Zillion

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Science  04 May 2001:
Vol. 292, Issue 5518, pp. 815
DOI: 10.1126/science.292.5518.815e

Ever get tongue-tied trying to read the English name of a multi-multidigit number like 372,469,737,190,393,701 (the number of inches in a light-year? Let computer expert Landon Curt Noll's name-that-number Web site do the parsing for you. Enter the digits, and out comes the name, in your choice of American (million, billion, trillion, quadrillion, …) or European (million, milliard, billion, billiard, …) units. Noll's site includes links to the latest on Mersenne primes, the largest currently known one of which is 26,972,593 - 1—or, as the site will tell you, four sescentnovemnonaginmilliasescentdoquinquagintillion, and 46.5 megabytes more of the same.

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