en.wikipedia.org/wiki/Names_of_large_numbers

This article lists and discusses the usage and derivation of names of large
numbers, together .... Some names of large numbers, such as **million**, **billion**, and
trillion, have real .... the names **million**, **billion**, **trillion**, **quadrillion**, and so forth, but
from the way in which Adam .... 10, 5, 10^{33}, Decillion, **Thousand quintillion**,
Quintilliard.

www.statman.info/conversions/number_scales.html

1,000,000,000,000,000,000,000, zetta, Z, Sextillion, **Thousand Trillion**/Trilliard ...
**Trillion**. 1,000,000,000,000,000, peta, P, **Quadrillion**, **Thousand Billion**/Billiard.

www.thoughtco.com/zeros-in-million-billion-trillion-2312346

Hundred **thousand** 100,000 (5 zeros) **Million** 1,000,000 (6 zeros) **Billion**
1,000,000,000 (9 zeros) **Trillion** 1,000,000,000,000 (12 zeros) **Quadrillion** ...

mathforum.org/t2t/discuss/message.taco?thread=679&n=8

1 one 10 ten 100 hundred 1.000 one **thousand** 10,000 ten **thousand** 100,000
hundred ... and commas represent **thousands**, millions, **billions**, trillions,
**quadrillion** etc. ... When you come to a comma, you say, "**trillion**, **billion**, **million**,
**thousand**.

www.math.com/tables/general/numnotation.htm

**billion**, 1,000,000,000 (a **thousand** millions), 1,000,000,000,000 (a **million**
millions). **trillion**, 1 with 12 zeros, 1 with 18 zeros. **quadrillion**, 1 with 15 zeros, 1
with 24 ...

www.sciforums.com/threads/million-billion-trillion-then-what.10130

milliard = one **thousand** times one **million**. - **billion** = one **million** times one **million**.
However, since ... **quintillion** = 10<sup>18</sup> hexillion ...

www.thealmightyguru.com/Pointless/BigNumbers.html

1, **million**, 6 (1,000,000). 2, **billion**, 9 (1,000,000,000). 3, trillion, 12 ... 4,
quadrillion, 15 (1,000,000,000,000,000). 5, **quintillion**, 18 (
1,000,000,000,000,000,000).

2000clicks.com/graeme/LangNumbersMillionsAndBillionsAndZillions.htm

9, 1, 000, 000, 000, **Billion**, **Thousand Million**, or "Milliard". 12, 1, 000, 000, 000,
000, **Trillion**, **Billion**. 15, 1, 000, 000, 000, 000, 000, **Quadrillion**, **Thousand Billion**.

www.mathnstuff.com/math/spoken/here/2class/10/size.htm

2 **thousand** is 2,000: is 2 **thousand**: = 2 x 10^{3}: 2 **million** is 2,000,000: is 2
**thousand** ... 2 x 10^{15}: or: is 2 **million billions**: = 2 x 10^{6} x 10^{9}: = 2 x 10^{15}: 2
**quintillion** is ...