Tau number: Difference between revisions
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Explanation: _ q: produces a list of the exponents of the prime factors of a number. The product of 1 + this list is the number of positive factors of that number. We have a tau number if the remainder of the number divided by that factor count is zero. |
Explanation: _ q: produces a list of the exponents of the prime factors of a number. The product of 1 + this list is the number of positive factors of that number. We have a tau number if the remainder of the number divided by that factor count is zero. |
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In the task example, we generate a list of the first 2000 positive integers and then use an expression of the form (#~ test) which filters a list of numbers based on that test. |
In the task example, we generate a list of the first 2000 positive integers and then use an expression of the form (#~ test) which filters a list of numbers based on that test. We then extract the first 100 of these in a 4 row 25 column table. |
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Task example: |
Task example: |
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