Mathematician:Harry Lewis Nelson
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Mathematician
American mathematician and computer programmer.
Member of the team that won the World Computer Chess Championship in $1983$ and $1986$.
Co-discoverer with David Slowinski of the $27$th Mersenne prime $2^{44 \, 497} − 1$ in $1979$.
Editor of the Journal of Recreational Mathematics for five years.
Discovered the $10$-digit pluperfect digital invariant $4 \, 679 \, 307 \, 774 = 4^{10} + 6^{10} + 7^{10} + 9^{10} + 3^{10} + 0^{10} + 7^{10} + 7^{10} + 7^{10} + 4^{10}$.
Nationality
American
History
- Born: 8th Jan 1932
Publications
- 1978 -- 1979: Searching for the $27$th Mersenne Prime (J. Recr. Math. Vol. 11, no. 4: pp. 258 – 261) (with D. Slowinski)
- May 1979: Solutions: 378: II (Crux Mathematicorum Vol. 5: p. 148)
- 1980 - 1981: A Solution to Archimedes' Cattle Problem (J. Recr. Math. Vol. 13: pp. 162 – 176)
- 1982: Prime Sums (J. Recr. Math. Vol. 14, no. 3: p. 205)
- 1988: A Consecutive Prime $3 \times 3$ Magic Square (J. Recr. Math. Vol. 20: pp. 214 – 216)
- 1990: Carmichael Numbers Which Are the Product of Three Carmichael Numbers (J. Recr. Math. Vol. 22: p. 3) (with Harvey Dubner)
Sources
- 1992: George F. Simmons: Calculus Gems ... (previous) ... (next): Chapter $\text {B}.2$: More about Numbers: Irrationals, Perfect Numbers and Mersenne Primes: Footnote $5$