Is 1821 divisible by 3? In other words, if you divide 1821 by 3, will you get a whole number with no remainder?
Of course, you could use a calculator to find out if 1821 is divisible by 3, but what fun would that be?
To find out if 1821 is divisible by 3, we will add up the numbers that make 1821 as follows: 1 + 8 + 2 + 1 = 12
We know that if the sum of the numbers that make up 1821 is divisible by 3, then 1821 is divisible by 3.
Since the sum of the digits in 1821 is divisible by 3, 1821 is also divisible by 3. Thus, the answer to the question "Is 1821 divisible by 3?" is as follows:
Yes
Note: If you divide 1821 by 3, you get 607 which is a whole number.
Divisible by 3?
Do you need to check another number? Enter a number below to see if it is divisible by 3.