Its: 1001 Arabian Nights
1001 Tales of the Arabian Nights
1001 Arabian Nights
1001 Tales of the Arabian Night
it is word play
That is 'A Thousand and One Arabian Nights'.
Best is "1001 cleans a big carpet." 1001 Cleans a Big Big Carpet for Less Than Half a Crown
1001 Arabian Nights
10^n+1
Sum of first n numbers = n/2(n +1) = 500 x 1001 = 500500
LCM(77, 1001) = 1001
98% of 1001 = 98% * 1001 = 0.98 * 1001 = 980.98