Mathematician:Harvey Alan Dubner

Mathematician

American engineer and mathematician specializing in the mathematics of casino games and finding large primes.

Invented the point-count method for gaining an advantage in blackjack.

Nationality

American

History

• Born: 14 July 1928
• Died: 23 October 2019

Theorems and Definitions

• Alternating Even-Odd Digit Palindromic Prime
• Smallest Titanic Palindromic Prime
• Titanic Prime whose Digits are all Prime
• Titanic Prime whose Digits are all 0 or 1
• Titanic Prime consisting of 111 Blocks of each Digit plus Zeroes
• Titanic Prime whose Digits are all Odd
• Pair of Titanic Twin Primes
• Gigantic Palindromic Prime

Publications

• 1986: The Primality of $R1031$ (Math. Comp. Vol. 47: pp. 703 – 711) (with H.C. Williams)  www.jstor.org/stable/2008184
• 1987: Factorial and primorial primes (J. Recr. Math. Vol. 19, no. 3: pp. 197 – 203)
• 1990: Carmichael Numbers Which Are the Product of Three Carmichael Numbers (J. Recr. Math. Vol. 22: p. 3) (with Harry Nelson)
• 1993: Primorial, Factorial and Multifactorial Primes (Mathematical Spectrum Vol. 26, no. 1: pp. 1 – 7) (with Chris Caldwell)
• 1994: Palindromic Primes with a Palindromic Prime Number of Digits (J. Recr. Math. Vol. 26, no. 4: p. 256)