Il numero 10000, diecimila in Italiano, in Inglese si dice ten thousand.
Il numero ordinale 10000° in inglese si dice ten thousandth.
9991: nine thousand nine hundred ninety-one
9992: nine thousand nine hundred ninety-two
9993: nine thousand nine hundred ninety-three
9994: nine thousand nine hundred ninety-four
9995: nine thousand nine hundred ninety-five
9996: nine thousand nine hundred ninety-six
9997: nine thousand nine hundred ninety-seven
9998: nine thousand nine hundred ninety-eight
9999: nine thousand nine hundred ninety-nine
10001: ten thousand one
10002: ten thousand two
10003: ten thousand three
10004: ten thousand four
10005: ten thousand five
10006: ten thousand six
10007: ten thousand seven
10008: ten thousand eight
10009: ten thousand nine