Stage: 3 Challenge Level: 
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The number 3723 (in base 10) is written as 123 in another base. What is that base? |
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Mathematical reasoning & proof. Number bases. Number - generally. Divisibility. Place value. Integers. Properties of numbers. Factors and multiples. Factorisation (algebraic). Creating expressions/formulae.
Published March 2002,April 2002.
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