Digital root: Difference between revisions
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670033 has additive persistence 3 and digital root 1
39390 has additive persistence 2 and digital root 6
588225 has additive persistence 2 and digital root 3
393900588225 has additive persistence 2 and digital root 9
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=={{header|Erlang}}==
Using [[Sum_digits_of_an_integer]].
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