Il numero 399, trecentonovantanove in Italiano, in Inglese si dice three hundred ninety-nine.
Il numero ordinale 399° in inglese si dice three hundred ninety-ninth.
390: three hundred ninety
391: three hundred ninety-one
392: three hundred ninety-two
393: three hundred ninety-three
394: three hundred ninety-four
395: three hundred ninety-five
396: three hundred ninety-six
397: three hundred ninety-seven
398: three hundred ninety-eight
400: four hundred
401: four hundred one
402: four hundred two
403: four hundred three
404: four hundred four
405: four hundred five
406: four hundred six
407: four hundred seven
408: four hundred eight