A tree planted in memory of George Harrison, the lead guitarist of The Beatles, died after being infested by beetles.^{1}

If the sum of the digits of a number is divisible by three, the number is divisible by three.^{2} Likewise, if the sum of the digits of a number is divisible by nine, the number is divisible by nine.^{3}

The watermelon is the official vegetable of the State of Oklahoma.^{4}

SpongeBob SquarePants’ has a total of 40 holes in his body and his square pants cover 11 of them.^{5}

The number of prime numbers less than 1,000 is the same as the number of hours in a week: 168.

Contrary to popular trivia lists, our eyes are *not* the same size from birth and our nose and ears *do* stop growing.^{6} ^{7}

In 1914, by Derrick N. Lehmer published a list of the first 665,000 prime numbers (“List of prime numbers from 1 to 10,006,721”, Carnegie Institution of Washington). He included 1 as a prime number, although in 2019, it is no longer considered prime. Today, that list can be created in 1.981 seconds on an interactive web page.

default(timer, 1)

count = 0;

forprime (x = 0, 10006721, print1(x, “, “); count++;);

print(“\n\nCount = “, count);

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, . . ., 10006663, 10006699, 10006721,

Count = 664999

time = 1,981 ms.

## Footnotes

- “Beatle George Harrison memorial tree killed by beetles“. BBC News. July 22, 2014.
- Coker, Chuck. “If the Sum of the Digits of a Number is Divisible by Three, the Number Is Divisible by Three“.
*IX23.com*. August 22, 2019. - Coker, Chuck. “If the Sum of the Digits of a Number is Divisible by Three, the Number Is Divisible by Three“.
*IX23.com*. August 22, 2019. - 25 OK Stat § 25-98.15 (2017)
- In the SpongeBob SquarePants episode “All that Glitters” (Season 4, Episode 19), SpongeBob can be seen without his square pants. He has 12 holes on his front, 9 holes on his back, 5 holes on the top, 4 holes on the bottom, 5 holes on his right side, and 5 holes on his left side. That is a total of 40 holes. When he is wearing his square pants, only 29 holes are visible. Therefore, his square pants cover 11 holes.
- Elert, Glenn, ed. “Diameter Of A Human Eye“.
*The Physics Factbook*. 2002. - Hinck, Michael. “Truth or Myth: Our Nose and our Ears Never Stop Growing“.
*Flushing Hospital Medical Center*. June 24, 2016.