Is 2024 a special number?
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Students are introduced to some esoteric number categories as they check out the various descriptors of this year's date. What's a Harshad number? What's a...
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Is 2023 a special number?
1998 was a Harshad year.
What do you notice about the number 2023?
What is a Harshad number?
Does 2023 meet the criteria?
Big deal? Rare? Often?
Happy Friday the 13th!
Don't worry, 13 is a Happy number! Students learn a new function and test whether a number is Happy or Sad.
February 22, 2022
Why do you suppose we are posting this date as a topic for YummyMath?
What do you think is so special about this date?
Does this happen often? When might a similar day occur?