Atlas Counted

Solve a problem involving digits in the base 10 number system

Three friends are lounging around in the library, reading books. “That book looks pretty short, Adam,” Charlie said, breaking the silence. “Yeah, it’s a short Hemingway novel called The Old Man and the Sea,” Adam said. “It’s only 127 pages long. Which means they only needed 273 digits to number all the pages...”

Find out how many pages a book has if you only know the number of digits used to number them.

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