How many 3-digit numbers are multiples of 21?

The list of multiples of 21 starts with 21, 42, 63, and goes in intervals of 21 forever. On this list, we want all the multiples of 21 that have exactly three digits. Below is the list of all the 3-digit numbers that are multiples of 21:

105, 126, 147, 168, 189, 210, 231, 252, 273, 294, 315, 336, 357, 378, 399, 420, 441, 462, 483, 504, 525, 546, 567, 588, 609, 630, 651, 672, 693, 714, 735, 756, 777, 798, 819, 840, 861, 882, 903, 924, 945, 966, 987

To get the answer to "How many 3-digit numbers are multiples of 21?" you simply need to count all the numbers above. Don't worry! You don't have to count them because we did it for you. There are 43 three digit (3-digit) numbers that are multiples of 21.

Bonus: You may also be interested in the answer to: How many 3 digit counting numbers are not multiples of 21? There are 857 3-digit numbers that are not multiples of 21.

3-digit Multiples Counter
Now you know how many 3-digit numbers are multiples of 21. Here you can get all the 3-digit numbers that are multiples of a different number.

How many 3-digit numbers are multiples of 22?
Here is the next number of 3-digit numbers of multiples we have counted for you.