Comic Discussion > QUESTIONABLE CONTENT

WCDT Strips 3386 - 3390 (2nd - 6th January 2017)

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pwhodges:
There are so many ways to be a maths nerd, though.  If that were my basis for choosing a PIN (which it wasn't!), I would have gone for 0628.

cesium133:

--- Quote from: pwhodges on 03 Jan 2017, 06:00 ---There are so many ways to be a maths nerd, though.  If that were my basis for choosing a PIN (which it wasn't!), I would have gone for 0628.

--- End quote ---
80th--84th digit of pi?

pwhodges:
Hardly!

(click to show/hide)First two perfect numbers (had to add the zero to make four digits)
Or perhaps I could have gone for 1597...

(click to show/hide)First four-digit Fibonacci number

Skewbrow:
Well. The PIN-code and the screenlock code (dunno what's it called in English) to my cell phone are 1416 and 26535 respectively. When I worked for Nokia, I was to select a PIN to operate the door at wee hours. I first asked for 3141 or 3142. Both were already taken :-)

This from someone who memorized Pi up to 465 decimal places in junior high.


--- Quote from: pwhodges on 03 Jan 2017, 06:14 ---
Or perhaps I could have gone for 1597...

(click to show/hide)First four-digit Fibonacci number
--- End quote ---

There was no need to spoiler that. That number appeared in an IMO problem in '81:

How large can the sum m3+n3 be given that m,n are positive integers less than 1981 such that (m2-mn-n2)2=1?

Solving that played a big role in me earning my first IMO bronze medal.

(click to show/hide)The fun part was to figure out and prove that the equation holds if and only if m and n are consecutive Fibonacci numbers. 1597 is the largest Fibonacci number below 1981.

cesium133:
I only memorized Pi to 190 digits in high school.

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