« previous next »
Pages: [1] 2  All
PrintPrint
Author
Topic: What do you call this  (Read 17222 times)
rachelsprivates
  • Junior Member
  • **
  • Posts: 49
What do you call this
« on: September 04, 2006, 11:09:46 pm »
Is this a "two-step ladder radar" since each digit varies by 2?

ID 9753579



[attachment deleted by admin]
Logged
Archey80
  • Very Senior Member
  • *****
  • Posts: 512
Re: What do you call this
« Reply #1 on: September 04, 2006, 11:14:15 pm »
I would just call it a normal 4 digit radar  thats just me ::)  Arthur
Logged
CPMS Member 1564
walktothewater
  • Very Senior Member
  • *****
  • Posts: 1,394
  • Join the Journey
    • Notaphylic Culture
Re: What do you call this
« Reply #2 on: September 04, 2006, 11:53:23 pm »
Jazz it up a little  ;D  How about a "prime" digit radar?
Logged
BWJM
  • Very Senior Member
  • *****
  • Posts: 5,027
Re: What do you call this
« Reply #3 on: September 05, 2006, 12:22:16 am »
Quote
Jazz it up a little  ;D  How about a "prime" digit radar?
Except for the minor detail that 9 is not prime. ;) Now if you were talking about 1357531, or 7531357, that would be a prime digit two-step ladder radar. (What a name!)
« Last Edit: September 05, 2006, 12:24:06 am by BWJM »
Logged
BWJM, F.O.N.A.
Life Member of CPMS, RCNA, ONA, ANA, IBNS, WCS.
President, IBNS Ontario Chapter.
Treasurer, Waterloo Coin Society.
Show Chair, Cambridge Coin Show.
Fellow of the Ontario Numismatic Association.
stevepot99
  • Senior Member
  • ****
  • Posts: 303
  • Pushing the boundaries
Re: What do you call this
« Reply #4 on: September 05, 2006, 01:49:44 am »
how about an odd numbered ladder
Logged
Mikeysonfire
  • Senior Member
  • ****
  • Posts: 345
Re: What do you call this
« Reply #5 on: September 05, 2006, 09:58:16 am »
You can call it a missing steps ladder note.  :P
Logged
X-Savior
  • Very Senior Member
  • *****
  • Posts: 625
  • Been There, Done That.... Wanna do it again?
Re: What do you call this
« Reply #6 on: September 05, 2006, 09:30:28 pm »
I Like...

2-Step Ascending/Descending almost Prime Digit Laddering 4-Digit Radar Note

 ;D
Logged
Sorry Ladies...I am now a Married Man!!!
Hudson A B
  • Very Senior Member
  • *****
  • Posts: 1,501
Re: What do you call this
« Reply #7 on: September 05, 2006, 10:47:45 pm »
It is an X note of course. Woops, after the <x (subscript 5), there is supposed to be "<x (subscript 6)"

[attachment deleted by admin]
« Last Edit: September 06, 2006, 02:30:45 am by hudsonab »
Logged
CPMS Lifetime Member #1502.
Hudson A B
  • Very Senior Member
  • *****
  • Posts: 1,501
Re: What do you call this
« Reply #8 on: September 06, 2006, 11:33:09 pm »
HAHAA!!  Man I love threads like these! ;D 8-)
Logged
CPMS Lifetime Member #1502.
venga50
  • Very Senior Member
  • *****
  • Posts: 514
Re: What do you call this
« Reply #9 on: September 07, 2006, 07:38:58 am »
E = mc2
Logged
X-Savior
  • Very Senior Member
  • *****
  • Posts: 625
  • Been There, Done That.... Wanna do it again?
Re: What do you call this
« Reply #10 on: September 07, 2006, 10:45:04 pm »
2-Step Ascending/Descending almost Prime Digit Laddering 4-Digit almost ROTATOR-Greek like near Solid Digit end of Prefix Radar Note  ::)
« Last Edit: September 07, 2006, 10:47:02 pm by X-Savior »
Logged
Sorry Ladies...I am now a Married Man!!!
Seth
  • Very Senior Member
  • *****
  • Posts: 936
Re: What do you call this
« Reply #11 on: September 08, 2006, 06:07:18 pm »
Quote
Now if you were talking about 1357531, or 7531357, that would be a prime digit two-step ladder radar. (What a name!)

Or if it were 1235321 it would be an ascending/descending Fibonacci sequence ladder note.   8-)

9753579 to me is a descending/ascending ladder note with half its rungs missing.  :)
Logged
Track your Canadian currency online!

http://www.whereswilly.com
Hudson A B
  • Very Senior Member
  • *****
  • Posts: 1,501
Re: What do you call this
« Reply #12 on: September 08, 2006, 07:10:06 pm »
Quote
Or if it were 1235321 it would be an ascending/descending Fibonacci sequence ladder note.   8-)

Ahh!... but wouldn't a Fibonacci radar be:
1123211?  

Woops, actually, according to Wiki (see image), it should be:
0112110
Hey I just learned something!  

AND! (for us math geeks), there are only FIVE possible fibonacci serial numbers in our current 7 digit notes.
f-31 : 1346269 = 557 x 2417 (the factors)
f-32 : 2178309 = 3 x 7 x 47 x 2207
f-33 : 3524578 = 2 x 89 x 19801
f-34 : 5702887 = 1597 x 3571
f-35 : 9227465 = 5 x 13 x 141961

Okay, now I have yet another wacky set to try to put together!

http://www.mcs.surrey.ac.uk/Personal/R.Knott/Fibonacci/fibtable.html#300


[attachment deleted by admin]
« Last Edit: September 08, 2006, 07:15:33 pm by hudsonab »
Logged
CPMS Lifetime Member #1502.
walktothewater
  • Very Senior Member
  • *****
  • Posts: 1,394
  • Join the Journey
    • Notaphylic Culture
Re: What do you call this
« Reply #13 on: September 08, 2006, 09:59:19 pm »
I always believed in KISS (keep it short/simple)

That's why I'd like to bid $1 billion dollars 8-)on this:

semi-prime descending-ascending two-step escalator radar note with quasi-fibonacci sequences :o

I could show it off at next year's CNS (charge five bucks per view) and regenerate a few circulated radars with the proceeds.
Logged
Hudson A B
  • Very Senior Member
  • *****
  • Posts: 1,501
Re: What do you call this
« Reply #14 on: September 09, 2006, 12:06:06 am »
That is nuts!  I think that would be a set of seven symbols for "empty set" :) You know, the "zero" with the slash through it.
« Last Edit: September 09, 2006, 12:06:16 am by hudsonab »
Logged
CPMS Lifetime Member #1502.
Pages: [1] 2  All
PrintPrint
« previous next »
 

Login with username, password and session length