>tfw we're about to enter a prime number year for the

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>>8561793

You math folks are kinda gay for numbers, aren't you

>>8561802
What determines a numbers sexual orientation?

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>>8561802

>>8561832
Whether it's odd or even.

>>8561793
You also didn't realize 2015 was a palindrome in binary and 2016 was 2^11-2^5

I'm predicting a new cicada puzzle this January

they seem to have a hard pecker for primes

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>>8561929

>mfw I did actually realize that

What is a prime number?

>>8561934
not yet

>>8563994
It's a number you can divide by 17

>>8564024
Cicada is the united states cypher analyst recruiter puzzle imo

they do puzzles to find people who are very bright and they recruit them before they form out of their control

>>8561793
2013 dumpass

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>>8564060
this is what someone will create if cicada doesnt get to them. as you can see this is quite damaging to several scientific fields

>>8564064
Divisible by 3

>>8564133
>13
>divided by 3

K

>>8564139
>Thinks the year 13 was less than 6 years ago
K

>>8564139
13/3=4.333333...

I just divided it by 3. Therefore it's divisible by 3. White square QED. Nice try m7

>for the first time in 6 years
I think you're forgetting about 2013 buddy lol

OP is a dumb pseudo intellectual

>>8564064
If the sum of a number's digits is a factor of 3 then it's divisible by 3.

>>8561802
*number theorists

>>8561898
no, that's its parity

>>8564264
Fascinating, is this true of any other numbers?

>>8564305
It also works for 9. It isn't that interesting. It only takes a minute to prove.

>>8564305
If you subtract and add alternate digits and you get a multiple of 11, then it's divisible by 11.

>2*11=22 -> 2-2=0
>11*11=121 -> 1-2+1=0
>183*11=2013 -> 2-0+1-3=0
>1046*11=11506 -> 1-1+5-0+6=11

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>>8564329
>if you get a multiple of eleven, it is divisible by eleven

>>8564329
Yep. That one is pretty damn cool.

Primes seems to be pseudo random complexity.. So it's just funny looking cellular automata?
Does this tell anything about the natural numbers?

>>8564351
>if you read a sentence correctly, you understand its meaning

>>8564420
I know, right? The sentence was pretty clear and concise, but he understood that some people may not understand what he means, so he gave 4 examples. Anyone who didn't understand what he meant after reading that is a complete fucking moron.

>>8564305
It works for any number n in base n+1 (where n is a natural number), also works for sqrt(n) if it's a natural number as well