Cyclicity of 18

Here we will show you how to find the Cyclicity of 18. First you make the following calculations:

18¹ = 18
18² = 324
18³ = 5832
18⁴ = 104976
18⁵ = 1889568

Then you look at the last digit of each of the numbers you found above: 8 4 2 6 8.

The Cyclicity of any number such as 18 is a sequence of 1 to 4 numbers. You will see that the last digits from the answers above will start repeating themselves. This sequence of numbers that repeats itself is called the Cyclicity of 18.

As you can see, the Cyclicity of 18 has 4 different numbers. The Cyclicity of 18 is

8 4 2 6

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Cyclicity of 19
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