RARE NUMBERS

Introduction

Palindromic Rare Numbers

Properties of Rare Numbers

Computation of Rare Numbers

Conjecture about Rare Numbers

Interesting Observations

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References:

[1] Gupta, Shyam Sunder, "Systematic computations of rare numbers" The Mathematics Education, Vol. XXXII, No. 3, Sept. 1998.

[2] Gupta, S. S., "Rare numbers" 2001, page 77, June 1990.

[3] Guy, R.  K., "Conway's RATS and other reversals," American Math. Monthly, page 425, May 1989.

[4] Guy, R.  K., "Unsolved problems come of Age" American Math. Monthly, page 908, Dec. 1989.

[5] Rivera, C. "Problems & Puzzles: Conjecture 23. The Shyam's conjecture about the Rare Numbers" http://www.primepuzzles.net/conjectures/conj_023.htm.

[6] Sloane, N. J. A. Sequences A035519, A059755, in "The On-Line Encyclopedia of Integer Sequences." http://oeis.org/.

[7] Wells, David. The Penguin Dictionary of Curious and Interesting Numbers. Middlesex, England: Penguin Books, 1997.

This page was created in 2001 and updated on 10th May 2009.

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