It is most likely a way of saying "uncountable"
In the King James version it appears in the following verses, among many others...
In normal life, round number such as these are very rare. It is most likely that the scribes were not actually using accurate counts, but were estimating.
The number 10,000 or the number one thousand ten times.
This number is called Ten Thousand... What? Ten Thousand?
The number 10 stands for the ten commandments.
Ten thousand and one, ten thousand and two, ...
Old answer: The Bible says ten thousand times ten thousand, which would be 10,000,000. Could be wrong, but last time I checked ten thousand times ten thousand equals 100,000,000
The number 10,000 or the number one thousand ten times.
This number is called Ten Thousand... What? Ten Thousand?
The number 10 stands for the ten commandments.
Ten thousand and one, ten thousand and two, ...
It is not clear what you mean by fifty one ten thousand. Ten thousand and fifty one is a number, also written as 10,051. Or you may mean 51 x 10,000 which equals 510,000. Or perhaps you mean something else.
No. Ten hundred is a thousand. However, people do use eleven hundred to mean one thousand one hundred, for example.
Old answer: The Bible says ten thousand times ten thousand, which would be 10,000,000. Could be wrong, but last time I checked ten thousand times ten thousand equals 100,000,000
It is then 410,000 when rounded to the nearest ten thousand
Any number, however big (or small) can be rounded to the nearest ten thousand. 0, rounded to the nearest ten thousand is 0 5001 rounded to the nearest ten thousand is 10,000 123,123,123,123,123,123 rounded to the nearest ten thousand is 123,123,123,123,120,000 and so on.
ten million, ten thousand and ten
If you mean ten thousandths, it's already there. 65.231 to the nearest ten thousand rounds down to zero.
The number 10001 is "ten thousand one" (also ten thousand and one).