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Searching for Narcissistic Numbers by Computer.
Peer reviewed Peer reviewed
Lamb, John F., Jr. – School Science and Mathematics, 1986
A narcissistic number is a positive integer equal to the sum of its digits raised to an integral power. For example, 15 is equal to 1-cubed plus 5-cubed plus 3-cubed (a narcissistic number of order three). A computer program to find narcissistic numbers up to 10,000 is given and discussed. (JN)
Descriptors: College Mathematics, Computer Software, Higher Education, Integers
Factorialsum Number Chains.
Peer reviewed Peer reviewed
Lamb, John, Jr. – School Science and Mathematics, 1989
Describes several phenomena in which interesting properties of numbers are demonstrated. Includes discussions of amicable, perfect, and sociable numbers. Presents computer programs for conducting a number chain search. (RT)
Descriptors: Computer Software, Computer Uses in Education, Mathematical Enrichment, Mathematics
Mathematical Computing. The Game of N, Product-Perfect Numbers, and the ARITHMETICULAR.
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Ecker, Michael W. – Journal of Computers in Mathematics and Science Teaching, 1988
Describes three games that one can play with or without a computer involving arithmetic, strategy, and problem solving techniques. Lists an abbreviated program for BASIC. Provides information on availability of the variable number game and the ARITHMETICULATOR which does calculations of large numbers and runs on IBM PCs. (RT)
Descriptors: Arithmetic, Computer Uses in Education, Educational Games, Elementary School Mathematics