Cyclicity of 639

Here we will show you how to find the Cyclicity of 639. First you make the following calculations:

639¹ = 639
639² = 408321
639³ = 260917119
639⁴ = 166726039041
639⁵ = 106537938947199

Then you look at the last digit of each of the numbers you found above: 9 1 9 1 9.

The Cyclicity of any number such as 639 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 639.

As you can see, the Cyclicity of 639 has 2 different numbers. The Cyclicity of 639 is

9 1

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Cyclicity of 640
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