The number 231,000 is spelled "two hundred thirty-one thousand."
Two hundred and thirty-one
The correct spelling is "thousand."
800 thousand, or 800,000 is "eight hundred thousand."
six thousand
The number 30,000 is "thirty thousand."
1000, one thousand, you had it correct.
That is the correct spelling of the plural noun "thousands."
Two thousand and eleven.
It is two words, nineteen thousand.
Two thousand and six.
Nineteen thousand
Seventy thousand