Mathematics > Number Theory
[Submitted on 28 May 2018 (v1), last revised 3 Nov 2018 (this version, v4)]
Title:About Some Relatives of the Taxicab Number
View PDFAbstract:The taxicab number, $1729$, has the following property. If we add its digits we obtain $19$. The number obtained from $19$ by reversing the order of its digits is $91$. If we multiply $19$ by $91$ we obtain again $1729$. In the paper we study various generalizations of this property.
Submission history
From: Viorel Nitica [view email][v1] Mon, 28 May 2018 02:34:13 UTC (12 KB)
[v2] Tue, 29 May 2018 22:32:55 UTC (13 KB)
[v3] Fri, 1 Jun 2018 17:54:33 UTC (13 KB)
[v4] Sat, 3 Nov 2018 11:59:36 UTC (13 KB)
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