B"H
Does anyone take a license plate and take its number as mod7?
In other words, let's say that the license plate is 3989, leaving aside the numbers.
OK, well 3989 = 6(mod7).
Obviously, most of you would not have that exact habit. However, I find my mind doing it a lot.
Also, who knows the proof that an even triangular number is defined by
(2^p-1)([2^p]-1). The latter factor is a Mersenne prime.
I believe that it was Euler who proved it, building on Euclid. Does anyone know it?
All the best.
No, but I do other mathematical and symbolic associations with license plate numbers. One association I have done lately is that the "In God We Trust" license plate in Indiana associates with particularly aggressive and dangerous driving.
no, I would love to be able to understand your number puzzles. They wouldn't teach me Maths at school.
Yet you are doing so well in University Lucie! In a Master's course was it! You must have been accepted and given credit on your Maths because of.....well.....I don't know I was going to say charm but even that sounds far-fetched.
I do not do so well at Maths ATM.
no, I would love to be able to understand your number puzzles. They wouldn't teach me Maths at school.

ATM;
No, but I do try and tap the metal plates on the back of my boots in the Fibonacci sequence 
crap, try again.
no, I would love to be able to understand your number puzzles. They wouldn't teach me Maths at school.
Yet you are doing so well in University Lucie! In a Master's course was it! You must have been accepted and given credit on your Maths because of.....well.....I don't know I was going to say charm but even that sounds far-fetched.
I do not do so well at Maths ATM.
would that be...no, not a lie?!

I used to be great at algebra but terrible at the spacial math liuke geometry and trigonometry. Don't know why?
My dad was the opposite - good with geometry, not so good with algebra. My dad and I both have the biggest problem in algebra with factoring. For some reason I can factor better when in the context of a calculus problem, but in my algebra 1 textbook in 8th grade, I would have a really hard time with it.
Calculus is a lot easier for me to visualize; perhaps because the curves and volume and limits and such are much more the type of problem I used to think about a lot when I was little, whereas the algebra problems weren't the sorts of things I had thought much about when young. I did think a lot about geometry when little though, particularly the Pythagorean Theorem and pi.
Yet you are doing so well in University Lucie! In a Master's course was it! You must have been accepted and given credit on your Maths because of.....well.....I don't know I was going to say charm but even that sounds far-fetched.
I do not do so well at Maths ATM.
ATM: Understood. Rossco, I must say that if I were a moderator, I would propose a permanent ban on anyone who targets another forum member on a long-term basis. However, since I am not running this forum, I will let the matter rest.
All the best.
B"H
Does anyone take a license plate and take its number as mod7?
In other words, let's say that the license plate is 3989, leaving aside the numbers.
OK, well 3989 = 6(mod7).
Obviously, most of you would not have that exact habit. However, I find my mind doing it a lot.
Also, who knows the proof that an even triangular number is defined by
(2^p-1)([2^p]-1). The latter factor is a Mersenne prime.
I believe that it was Euler who proved it, building on Euclid. Does anyone know it?
All the best.
I used to take thousands of license plates down as a kid, and see all sorts of patterns. Basically - if there was a pattern there to grasp out of the randomness then I'd get it.
...Does anyone take a license plate and take its number as mod7?...
I do have a habit of creating sentences or suitable acronyms (for the behaviour/abilities of the drivers
) in regards to license plates, rather than anything maths related. Mainly because, here in the UK, the license plates tend to have more letters than numbers [AAnn AAA].