Count by 1728 (Skip Counting by 1728s)

Count by 1728

Here we will show you how to count by 1728, discuss counting by 1728 patterns, and tell you why knowing how to count by 1728 matters. To start off, note that Count by 1728 means counting in 1728s, or count by one thousand seven hundred twenty-eights, and it is also called skip counting by 1728.

How to count by 1728
Normally, we would count by 1 like this: 1, 2, 3, 4, etc., but when we count by 1728, we count 1728, 3456, 5184, 6912, and so on.

In other words, to count in intervals of 1728 or skip counting by 1728, we start with 1728 and then add 1728 to get the next number, and then continue adding 1728 to the previous number to keep counting by 1728, like this:

1728
1728 + 1728 = 3456
3456 + 1728 = 5184
5184 + 1728 = 6912
6912 + 1728 = 8640
...

You can of course skip count by 1728 forever, so it is impossible to make a list of all numbers, but below is a Count by 1728 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 1728, the second column has the next ten numbers you get when you skip count by 1728, and so forth.

Count by 1728 Patterns
We organized the Skip Counting by 1728s 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 1728, but don't have the Counting by 1728s Chart above. Obviously, one pattern with counting by 1728s is that the number increases by 1728.

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 5 over and over. The pattern of the last digit when you count by 1728 goes 8, 6, 4, 2, 0 and 8, 6, 4, 2, 0 and so on for as long as you count by 1728.

Why Count by 1728?
We think that understanding and learning about skip counting by 1728 is important, because it teaches you how the arithmetic operations fit together. Below are some examples of what we mean.

When you count by one thousand seven hundred twenty-eight, you are also creating a list of multiples of 1728 that you can use in math when you need the least common multiple. 1728 times n equals the nth multiple or skip count of 1728.

When you skip count by 1728, you are also creating a list of numbers that 1728 is divisible by. On top of that, skip counting by 1728 is the same as making the 1728 times table.

Skip Counting
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Count by 1729
Here is the next number on our list that we used to skip count.