Counting by powers of ten 

One  10^{0}  1.  "ten to the zero" 
ten  10^{1}  10.  "ten to the one" 
hundred  10^{2}  100.  "ten to the two" 
thousand  10^{3}  1,000.  "ten to the three" 
ten thousand  10^{4}  10,000.  "ten to the four" 
hundred thousand  10^{5}  100,000.  "ten to the five" 
million  10^{6}  1,000,000.  "ten to the six" 
ten million  10^{7}  10,000,000.  "ten to the seven" 
hundred million  10^{8}  100,000,000.  "ten to the eight" 
billion  10^{9}  1,000,000,000.  "ten to the nine" 
ten billion  10^{10}  10,000,000,000.  "ten to the ten" 
hundred billion  10^{11}  100,000,000,000.  "ten to the eleven" 
trillion  10^{12}  1,000,000,000,000.  "ten to the twelve" 
ten trillion  10^{13}  10,000,000,000,000.  "ten to the thirteen" 
hundred trillion  10^{14}  100,000,000,000,000.  "ten to the fourteen" 
Names are on threes... on 3, 6, 9 (thousand, million, billion). Each ,000,.
The names "billion" and "trillion" mean different things in different
countries. This is the US version.
There are a few more names after "trillion", but they are almost never used.
Comments encouraged.  Mitchell N Charity <mcharity@lcs.mit.edu> 
Notes: Doables: History: 2003Feb03 Fixed 2 links. Added this History. mid 1990's Created.