Fun with num3ers
Saturday, February 26, 2011
Extravagant / Economical numbers
An extravagant number is one for which the prime factorization (including powers) requires more digits that the original number such as 30 = 2*3*5 (compare to economical number).
http://primes.utm.edu/glossary/page.php?sort=ExtravagantNumber
Economical number
http://primes.utm.edu/glossary/xpage/EconomicalNumber.html
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