ohh, using the index as the number was clever indeed

Hell yeah! That's what I'm talking about

Nice! Showed me I had an extra check on length I...DONT NEED! Thanks for showing me the way :)

Cool solution! I worry about side effects coming from the sum%n==0 check happening every time in the loop for something like (1111,1)

Damn

Took me a second too see it. This way you don't have to run a contains on every letter. I like it

Awesome! Thanks :D

Great! I've learned something new. How does this compare to using parseInt? What I've typically done

unary plus, you can read more here https://stackoverflow.com/questions/17106681/parseint-vs-unary-plus-when-to-use-which

Literally, the exact same words that came out of my mouth.

my french is tricking me again... ;p

Sensible? :)

see above