Il numero 4021, quattromilaventuno in Italiano, in Inglese si dice four thousand twenty-one.
Il numero ordinale 4021° in inglese si dice four thousand twenty-first.
4012: four thousand twelve
4013: four thousand thirteen
4014: four thousand fourteen
4015: four thousand fifteen
4016: four thousand sixteen
4017: four thousand seventeen
4018: four thousand eighteen
4019: four thousand nineteen
4020: four thousand twenty
4022: four thousand twenty-two
4023: four thousand twenty-three
4024: four thousand twenty-four
4025: four thousand twenty-five
4026: four thousand twenty-six
4027: four thousand twenty-seven
4028: four thousand twenty-eight
4029: four thousand twenty-nine
4030: four thousand thirty