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Earn +20 ptsQ: Are all deficient numbers odd numbers?
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Is 63 a deficient number?
All odd numbers with one or two distinct prime factors are deficient. Since 3 and 7 are factors of 63, it must be deficient.
Is the number 17 a Deficient number?
17 is a deficient number because half the sum its factors is less than 17 [(1 + 17)/2 = 9)]. All odd numbers less than 945 are deficient.
Which number when multiplied by any odd number always results in an odd number?
All of the odd numbers.
Are there more deficient numbers than abundant and perfect numbers?
There are more deficient numbers.
What are all the odd composite numbers 1-100?
Look for a table of prime numbers. All the odd numbers that are NOT on this list are composite numbers.
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