OFFSET
1,1
COMMENTS
Spaces are ignored.
In going to large numbers, traditional British or long-scale names are used here (see Wikipedia link). In American English, the first difference would be a(6) = 1000009 = one millioN Nine. - Michael S. Branicky, Apr 21 2023
REFERENCES
GCHQ, The GCHQ Puzzle Book, Penguin, 2016. See pages 29 and 187.
LINKS
EXAMPLE
3 = thrEE, 8000 = eighT Thousand, 10^6 = one miLLion, 1000900 = one millioN Nine hundred, 2*10^48 = twO Octillion, 10^62 = one hundreD Decillion.
ThirtEEn doesn't count because we already have a doubled E.
CROSSREFS
KEYWORD
nonn,word,fini,full
AUTHOR
N. J. A. Sloane, Apr 20 2023
STATUS
approved