one thousand
There is only one name and that is one hundred thousand.
1k 1g one thousand 1 thousand one 000
Using the "short scale" number names (new name every thousand), "one thousand million years" is a "billion years", the metric equivalent being a "gigaannum" (1 Ga). (see link)
1000 - one thousand
One Thousand
* One thousand billion = trillion * One thousand trillion = quadrillion * One thousand quadrillion = quintillion * One thousand quintillion = sextillion * One thousand sextillion = septillion * One thousand septillion = octillion * One thousand octillion = nonillion * One thousand nonillion = decillion And to take it just a bit further, a googol is a term coined by American mathematician Edward Kasner to indicate a really, really large number: the number 1, followed by 100 zeros. And even further than that is a googoplex, which is equal to 1 followed by a googol of zeros.
Number notation = 1,000 Word notation = one thousand.
one hundred thousand
The number 10,000 or the number one thousand ten times.
On hundred thousand
One thousand millions = 1,000,000,000 (one billion).
One possibility is the number, thousand. (One thousand written 1000.)