perplexus.info :: Just Math : A Digital Root Problem

A Digital Root Problem (Posted on 2006-06-29)

The digital root of a number is obtained by summing its digits and then repeating the process (summing the sum's digits) until the answer is a single digit number. For example, the digital root of 7368 is 6.

Determine the digital root of (9⁷²⁴⁰+38)⁸⁴⁵⁷

See The Solution Submitted by K Sengupta

Rating: 4.0000 (2 votes)

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

Subject	Author	Date
re: very simplistic explanation	K Sengupta	2006-07-11 14:49:27
Credits	K Sengupta	2006-07-11 14:00:38
very simplistic explanation	John	2006-07-10 05:02:29
re: Difficulty	Daniel	2006-06-29 22:53:04
re: Difficulty	Richard	2006-06-29 19:37:36
Difficulty	Sir Percivale	2006-06-29 18:21:01
re: Answer	Richard	2006-06-29 15:08:04
Answer	Old Original Oskar!	2006-06-29 14:33:30
Solution Spoiler	Daniel	2006-06-29 11:48:24
Hint	Daniel	2006-06-29 11:43:35

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