perplexus.info :: Just Math : 25k if beheaded

25k if beheaded (Posted on 2015-01-01)

List all positive integers such that deleting their first digit is equal to dividing the number by 25.

Submitted by Ady TZIDON

Rating: 3.0000 (1 votes)

Solution: (Hide)

625, 3125, and 9375 are the only generic solutions.
Each of those numbers multiplied by 10^K generates additional solutions.

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
re(2): Answers (no explanation	Steve Herman	2015-01-01 21:01:41
re: Answers (no explanation	Dej Mar	2015-01-01 20:46:03
Answers (no explanation	Steve Herman	2015-01-01 19:00:08

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