OFFSET
0,3
COMMENTS
The large numbers are (new letter in uppercase): "one Billion" (10^9), "one Quadrillon" (10^15), "one sePtillion" (10^24) and "one oCtillion" (10^27). Their names and definitions are based on the American system.
LINKS
Landon Curt Noll, The English name of a number
R. Rowlett, Names for large numbers
EXAMPLE
Spelling "zero" requires letters "z", "e", "r", "o". Spelling "one" requires a new letter, "n". Spelling "two" requires new letters, "t" and "w"; etc. Letters "j" and "k" are never used.
"1000" (one thousand) is the smallest number that requires an "a".
CROSSREFS
KEYWORD
easy,fini,full,nonn,word
AUTHOR
Jean Fontaine (jfontain(AT)odyssee.net), Dec 30 1999
EXTENSIONS
Corrected by Andrew Weimholt, Sep 27 2009
STATUS
approved