# Author Archives: Chuck Coker

## Major General William Rufus Shafter Has a Bacon number of 7 (Updated to 4)

Original Post Major General William Rufus Shafter (October 16, 1835–November 12, 1906), commander of the 5th Army Corps in 1898, has a Bacon number of 7! 7. William Rufus Shafter was in Surrender of General Toral (1898) with Joseph Wheeler. 6. Joseph Wheeler was in General Wheeler and Secretary of War Alger at Camp Wikoff… Read More »

## Origin of the Angel atop the Christmas Tree

Not a lot of people know this. When four of Santa’s elves got sick, the trainee elves did not produce toys as fast as the regular ones, and Santa began to feel the pre-Christmas pressure. Then, Mrs. Claus told Santa her Mother was coming to visit, which stressed Santa even more.. He went to harness… Read More »

I did not write this. It came from a Facebook group I belong to. Q: How many people does it take to change a light bulb on Facebook? 1 to change the light bulb and to post that the light bulb has been changed. 14 to share similar experiences of changing light bulbs and how… Read More »

## If the Sum of the Digits of a Number is Divisible by Three, the Number Is Divisible by Three

Take a two-digit base-10 number where the digits are represented by ab. This number is equal to 10a + b and the sum of its digits are a + b. The difference between the number and the sum is 9a, which is divisible by three. So a + b is divisible by three, if and only… Read More »

## Can You Find Three Digits for A, B and C Such That ABC in Base-10 Is Equal to CBA in Base-9?

The only 3-digit answer is $$544_9 = 445_{10}$$. However, there are answers in other bases: $$211_3 = 112_4$$ $$322_5 = 223_6$$ $$433_7 = 334_8$$ $$544_9 = 445_{10}$$ Are you seeing a pattern here? Does the pattern extended to bases higher than 10? Does $$655_{10} = 556_{11}$$? Does $$766_{11} = 667_{12}$$? Cheating a little bit by… Read More »

## Trivia for August 2019

A tree planted in memory of George Harrison, the lead guitarist of The Beatles, died after being infested by beetles. If the sum of the digits of a number is divisible by three, the number is divisible by three. Likewise, if the sum of the digits of a number is divisible by nine, the number… Read More »

## Trivia for July 2019

Sphenopalatine ganglioneuralgia is the medical term for brain freeze (ice cream headaches). Oraibi, Arizona has been continuously inhabited since sometime around 1100 CE. St. Augustine, Florida, which makes the claim it is the oldest continuously inhabited settlement in the United States, was not founded until 1565, more than 450 years later. Damascus, Syria has been… Read More »

## What comes next in the sequence 2, 3, 7, 23, …?

Somebody asked this question on Quora. I thought I’d give it a try. The next number is 37. This is a list of prime numbers whose English names have a prime number of letters. Note: This counts letters only, not hyphens or spaces. Number Spelling Letters 2 two 3 3 three 5 7 seven 5… Read More »

## Some Thoughts on September 11

On September 11, 2001, terrorists defeated the United States. We got our ass kicked. The September 10 United States is nothing but a memory. Since 9/11, we have created the very government the Founding Fathers feared: a government with sweeping and largely unchecked powers resting on the hope that they will be used wisely. However,… Read More »