OFFSET
1,1
COMMENTS
There are only 14 radical narcissistic integers n < 10000.
REFERENCES
J. S. Madachy, Mathematics on Vacation, Thomas Nelson and Sons, (1966), pp. 163 - 175.
Colin Rose, "Radical Narcissistic numbers", J. Recreational Mathematics, vol. 33, (2004-2005), pp. 250-254.
LINKS
C. Rose, Pretty Wild Narcissistic Numbers - numbers that pwn (2006)
Wikipedia, Friedman number
EXAMPLE
729 = (7 + 2)^sqrt(9);
2378 = -23 + sqrt(7^8).
MATHEMATICA
Mathematica code to be available at: http://www.numq.com/pwn/
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Colin Rose, Jun 10 2006
STATUS
approved