2 is the only even prime number - this fact is trivial.
However, the prime number 73,939,133 has a very strange property. If you keep removing a digit from the right hand end of the number, each of the remaining numbers is also prime.
73,939,133 is the largest number known with this property. 73,939,133 is a truncatable prime.
The Temptations and The Supremes all grew up together in the Frederick Douglass Housing Projects in Detroit. They originally performed as The Primes and The Primettes before signing with Motown, where Berry Gordy gave them new names.
Different men become Prime Minister in the American and British editions of Jeffrey Archer’s political thriller First Among Equals.
The largest left-truncatable prime number is the 24-digit 357,686,312,646,216,567,629,137.
There are 15 primes which are both left-truncatable and right-truncatable. They have been called two-sided primes. The complete list is:
2, 3, 5, 7, 23, 37, 53, 73, 313, 317, 373, 797, 3137, 3797, 739397.
Under the prime directive, Starfleet officers are absolutely forbidden to interfere with the development of an alien society. Judging by how Star Trek used the trope, there was probably a clause “unless it would be inconvenient not to do so.”
In the various incarnations of Star Trek, Starfleet Academy is on San Francisco Bay, across from the city and near the northern end of the Golden Gate Bridge.
In 2249, Spock decided to join Starfleet rather than attend theVulcan Science Academy, against the wishes of his father, Sarek. His decision was motivated by the realization that he would never be seen as an equal by the staff, only as someone who had “overcome the handicap” of half-human parentage.
The US Naval Academy in Annapolis, Maryland, was established in 1845. It is the second naval academy in the US and when it opened it replaced Philadelphia Naval Asylum, the first naval academy. Graduating officers then go on to a commission in the US Navy or the US Marine Corps.
The USNA is located where the Severn River joins Chesapeake Bay.
Famous USNA alumni include Medal of Honor recipient William A. Moffett, the namesake for Moffett Federal Airfield in Mountain View, California, and three US Marines who were awarded the Medal of Honor: Brigadier General Albert Catlin, Major General Wendell Neville, and Lieutenant Colonel Harold Bauer.
Due to widespread pro-Confederate feeling and hostility among the Annapolis townsfolk, the U.S. Naval Academy was moved to Newport, R.I. for the duration of the Civil War. The Academy training ship USS Constitution, Old Ironsides herself, went with them.
The Constitution of India is generally believed to be the longest constitution in the world, with 448 articles in 25 parts, 12 schedules, 5 appendices, and 98 amendments.
It is estimated that as recently as 2013 there were more than 13 million people enslaved in India.
Brazil was the last nation in the Western world to abolish slavery, in 1888, and by abolition had imported an estimated total of four million slaves from Africa. although by this time approximately three quarters of blacks and mulattoes in Brazil were free.
After the Civil War, Frederick Law Olmsted became the best-known landscape architect in the US, responsible for many city parks including New York’s Central Park and Brooklyn’s Prospect Park. But before that, he was one of the country’s leading abolitionist writers and publishers.
Besides designing city parks, Frederick Law Olmstead also designed college campuses, including Stanford University, UC Berkeley, Yale University, Washington University in St. Louis, and Trinity College in his birthplace of Hartford, CT.
Hartford CT is the site of the Mark Twain House, where the author wrote his most famous works and raised his family. In 1868,Twain wrote, "Of all the beautiful towns it has been my fortune to see this is the chief.
Mark Twain was a famous cat fancier and particularly loved to play billards with his cats, who would jump on the table and chase the balls as he played.
Mark Twain was born in 1835 and he died in 1910, and these years coincided with two successive visits of Halley’s comet. Said Twain,
“A Letter from Santa Claus” was originally written by Mark Twain for his five year old daughter, Susie, in 1877. It was first published in Clara Clemens’ 1931 book “My Father, Mark Twain”.
Harriet Beecher Stowe was Mark Twain’s next door neighbor in Hartford CT.
Henry Ward Beecher, Harriet’s brother and one of the most famous and well paid ministers of his day, frequently condemned feminist and free-love advocate and presidential candidate Victoria Claflin Woodhull in his sermons and editorials. When she received proof he was having an extramarital affair with the also married wife of one of his parishioners she returned the favor and exposed it in the magazine she published. The story was picked up and went national and was a major Reconstruction era sex scandal.
