Yes... there's plenty of space on a 16 GB flash drive for a file of only 82.1 MB.
It is 821 miles according to Google Maps.
821 x 1 = 821
13 hours 41 minutes.
50% of 821 is 410.5
It is: DCCCXXI = 821
The LCM of 821 and 663 is 544323.
50% of 821 is 410.5
821 is a rational number
2,012 minus 821 is 1,191.
The square root of 821 is 28.6530976
25.6562
Yes, 821 is a prime number.