Angka perduaan biasanya disebut digit demi digit, in order to distinguish them from decimal numbers. Contohnya, the binary numeral 100 dilafazkan satu kosong kosong, bukannya seratus, to make its binary nature explicit, dan untuk tujuan kebetulan. Since the binary numeral 100 is equal to the decimal value four, it would be confusing to refer to the numeral as one hundred.