magic number

noun
1
a figure that has a special meaning
عدد خاص, عدد جادویی, عدد اسرارآمیز, عدد مرموز, عدد سحرآمیز
2
the combined number of wins by the team currently in first place in the league and losses by the team in second place that must be reached for the team in first place to win the title
عدد تعیین‌کننده, عدد قهرمانی, عدد تعیین‌کننده‌ی مسابقات
The Cardinals have won only three of eight, but reduced their magic number for clinching the division to four.