From: Gregg N 

Gregg N wrote:
> Geo wrote:
>
>> Wouldn't 9 be prime in base8 just like 11 in base10?
>>
>> Geo.
>>
>
> Primeness is a property of a number, not its representation.
>
> Imagine a bunch of balls in front of you. If you can divide them into
> more than one group, each with more than one ball, with the same number
> of balls in each group, the number is not prime.
>
> 11 (base ten), C (hex), and XI (roman) all refer tot the same prime number.
>
> Gregg

Make that B (hex).

Gregg

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