perplexus.info :: Just Math : Maximum and cubic to a T

Maximum and cubic to a T (Posted on 2008-10-09)

Find analytically the maximum value of a positive base 10 integer T, such that T is equal to the cube of the sum of its digits.

See The Solution Submitted by K Sengupta

Rating: 3.0000 (2 votes)

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re(2): sloane A061209

| Comment 4 of 6 |

(In reply to re: sloane by ed bottemiller)

This is a serial # in Sloane's encyclopedia of integer series-

Please look it up. You can do it direcctly by clicking said number...

Without referring to the Web, it is easily seen that the maximum number cannot excede 6 digits - thus reducing the list of qualifying candidates.

Edited on October 9, 2008, 1:38 pm

Posted by Ady TZIDON on 2008-10-09 13:36:02

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