>>2841461Wtf, convertion to other numerical systems is stupid easy, just as long as you don't learn those special methods. You just have to understand how those even work, then you won't have to remember anything else. This is how I understand it and this is the best and easiest way to be able to do it:
Say you have a numerical system with the base 10 (so our, "normal" system, decimal one). The last digit will represent number of 1's, second to last one is number of 10's and so on. What are those numbers? Powers of ten, 10^0=1, 10^1=10, 10^2=100 and so on. This is the case with every fucking numerical system there is, or at least every single one we use, another example, binary: last digit is 2^0, so 1's, second to last is 2^1, so 2's, third is 2^2, so 4's... So when you have number 10110 in binary, you just go from left to right, 0*2^0 + 1*2^1 + 1*2^2 + 0*2^3 + 1*2^4 = 2+4+16=22. Now replace 2 with any base n and you're done. It's that easy.
Example of number 2g73a4 in base 19, where for digits over 9 we use following letters of latin alphabet:
2 - 19^5=2776099 - 2*2776099=5552198
g - 19^4=130321 - 16*130321=2085136
7 - 19^3=6859 - 7*6859=48013
3 - 19^2=361 - 3*361=1083
a - 19^1=19 - 10*19=190
4 - 19^0=1 - 4*1=4
5552198+2085136+48013+1083+190+4=7686624 <-- number 2g73a4 base 19 written in base 10. It might be a little bit off due to some calculation error, but the way to do it is correct one.
What I will usually do is to write those powers in decimal above the coresponding digits, it makes life easier, especially for smaller bases, such as 2, where you can retty much add those in head.
Some other things you might notice is for example: given that 'x' is the biggest digit of a numerical system, 100...00 (n zeroes, where n is a natural number) is always exactly xx...xx (n x's) + 1 (one). Just a thing that is apparent there.
