Here we will show you how to count by 4089, discuss counting by 4089 patterns, and tell you why knowing how to count by 4089 matters. To start off, note that Count by 4089 means counting in 4089s, or count by four thousand eighty-nines, and it is also called skip counting by 4089.
How to count by 4089
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 4089, we count 4089, 8178, 12267, 16356, and so on.
In other words, to count in intervals of 4089 or skip counting by 4089, we start with 4089 and then add 4089 to get the next number, and then continue adding 4089 to the previous number to keep counting by 4089, like this:
4089
4089 + 4089 = 8178
8178 + 4089 = 12267
12267 + 4089 = 16356
16356 + 4089 = 20445
...
You can of course skip count by 4089 forever, so it is impossible to make a list of all numbers, but below is a Count by 4089 Chart of the first 100 numbers to get you started.

Looking at the chart above, you will see that the first column has the first ten numbers you get when you skip count by 4089, the second column has the next ten numbers you get when you skip count by 4089, and so forth.
Count by 4089 Patterns
We organized the Skip Counting by 4089s Chart above in 10 rows and 10 columns so you can easily identify patterns.
Skip counting always creates patterns. Figuring out these patterns may help you if want to count by 4089, but don't have the Counting by 4089s Chart above. Obviously, one pattern with counting by 4089s is that the number increases by 4089.
Furthermore, if you look at each row above, each number in the row has the same last digit (ones place). That means that every tenth number has the same last digit.
If you look down the columns, you will see that the last digit (ones place) repeats itself in blocks of 10 over and over. The pattern of the last digit when you count by 4089 goes 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 and 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 and so on for as long as you count by 4089.
Why Count by 4089?
We think that understanding and learning about skip counting by 4089 is important, because it teaches you how the arithmetic operations fit together. Below are some examples of what we mean.
When you count by four thousand eighty-nine, you are also creating a list of multiples of 4089 that you can use in math when you need the least common multiple. 4089 times n equals the nth multiple or skip count of 4089.
When you skip count by 4089, you are also creating a list of numbers that 4089 is divisible by. On top of that, skip counting by 4089 is the same as making the 4089 times table.
Skip Counting
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Count by 4090
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