13-21 = -8
1321 1321 1321
1321 = MCCCXXI
1.7% of 1321 = 22.457
1321 is prime. The only factors are one and itself.
314+1321= 1635
There are 1.609344 kilometres in one mile. Therefore, rounded to two decimal places, 1321 kilometres is equal to 1321/1.609344 = 820.83 miles.
YES
1323
Yes.
1400 century
198150
1322.