Proof of dozenal tidbits

This forum examines duodecimal / base twelve / dozenal exclusively.

Proof of dozenal tidbits

Myrtone
Casual Member
Myrtone
Casual Member
Joined: Mar 22 2010, 08:08 AM

Mar 3 2018, 01:59 PM #1

Apparently all full period primes in base twelve end in 5 or 7, not in 1 or Σ. And all but three poker hand absolute probabilities are divisible by twelve. Any proof of these?
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Shaun
Dozens Disciple
Shaun
Dozens Disciple
Joined: Aug 2 2005, 04:09 PM

Mar 3 2018, 02:58 PM #2

You'll find details of the prime periods in base twelve and others in this thread:

fractional-patterns-t110.html?view=unread#unread
I use the following conventions for dozenal numbers in my posts.

* prefixes a dozenal number, e.g. *50 = 60.
The apostrophe (') is used as a dozenal point, e.g. 0'6 = 0.5.
T and E stand for ten and eleven respectively.
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