login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A050933 Numbers k with property that spelling k in American English requires a new letter of the alphabet. 2

%I

%S 0,1,2,3,4,5,6,8,11,20,100,1000,1000000,1000000000,1000000000000000,

%T 1000000000000000000000000,1000000000000000000000000000

%N Numbers k with property that spelling k in American English requires a new letter of the alphabet.

%C 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.

%H Landon Curt Noll, <a href="http://www.isthe.com/cgi-bin/number.cgi">The English name of a number</a>

%H R. Rowlett, <a href="http://www.unc.edu/~rowlett/units/large.html">Names for large numbers</a>

%e 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.

%e "1000" (one thousand) is the smallest number that requires an "a".

%K easy,fini,full,nonn,word

%O 0,3

%A Jean Fontaine (jfontain(AT)odyssee.net), Dec 30 1999

%E Corrected by _Andrew Weimholt_, Sep 27 2009

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 27 19:48 EST 2022. Contains 358406 sequences. (Running on oeis4.)