Quizzes for review
Untouchable numbers often surprise students when they first learn that no integer's proper divisors add up to them.
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Untouchable numbers often surprise students when they first learn that no integer's proper divisors add up to them.
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Related words
untouchable numbers
Noun
form-of
plural
Japanese Meaning
これは「untouchable number」（手を付けられない数）の複数形であるため、意味ではなく、活用形としての複数形を示しています。
English - English
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