100 Strange Facts About Number 17

17 (Seventeen) is the natural number after 16 and before 18. This is a prime number. In today's post, we have shared some facts about number 17. Please share this post with your friends. I hope you like this post.

100 Strange Facts About Number 17

The flood described in the Bible started on the 17th day.
There are 17 syllables in a traditional haiku, a Japanese three-line poem
Want to reach the police in France? Dial "17"
There are 17 unique species of penguin
Apollo 17 was the final mission of NASA's Apollo program
Some species of cicada live underground for 17 years before emerging
The coming of age for wizards in the Harry Potter universe is 17
Q is the 17th letter of the alphabet
The number 17 is considered to be unlucky in Italy
In Italy number 17 is considered a very unlucky number by many.
In Roman numerals number 17 is written XVII.
Making an anagram with this number it turns out as VIXI which in Latin means “I have lived”, the past tense implies that one is therefore dead.
“VIXI” has been found engraved on some tombstones dating back to Ancient Rome.
“Heptadecaphobia” means fear of number 17. Some use the word “heptakaidekaphobia”, it has the same meaning; someone who fears number 17.
Number 17 in the Tarot Card Deck
In the Tarot card number 17 is the card of the Stars.
Chlorine has the atomic number 17.
A heptadecagon is a 17-sided figure.
There are seventeen different ways a wallpaper pattern can repeat itself.
Ohio became the 17th state in the United States in 1803.
The White House is located on 17th Street NW.
A haiku poem has a total of 17 syllables.
It consists of three line; 5 syllables in the first line, 7 syllables in the second line and finally 5 syllables in the third line.
17=2^{2^{2}}+1 is a Fermat prime.
The teenage Gauss proved that the regular 17-gon is constructible by compass and straightedge (which is related to the previous bullet).
There are 17 wallpaper groups.
A haiku has 17 syllabes.
A Sudoku needs at least 17 clues to have a unique solution.
Some cicadas have a 17-year life cycle.
There are 17 ways to write 17 as the sum of primes.
The Italians think 17 is unlucky (apparently because XVII can be rearranged to be VIXI, which means “my life is over”).
Plutarch wrote “The Pythagoreans also have a horror for the number 17, for 17 lies exactly halfway between 16, which is a square, and the number 18, which is the double of a square, these two, 16 and 18, being the only two numbers representing areas for which the perimeter equals the area.”
There are 17 nonabelian groups of order at most 17.
According to hacker lore, 17 is the "least random number" when choosing from 1 to 20
The fear of the number 17 is called "heptadecaphobia" or "heptakaidekaphobia"
The average of the first two perfect numbers is 17
Pluto's orbit is highly inclined, at a 17° angle above the plane where other planets orbit
There are 17 steps leading up to Sherlock Holmes' house
The 17th President of the United States was Andrew Johnson
EverQuest is celebrating its 17th anniversary - a huge thanks to our community for your continued support!
The number 17 is more than just a prime number though – If you add the first four prime numbers together their sum is 17. It’s also the only prime number that is made up of four other consecutive prime numbers, these numbers being 2, 3, 5, and 7.
In the French, Catalan and Italian languages 17 is the first compound number. A compound number is a number made up of two different sets of numbers, in this case being dix-sept, disset, and diciassette, all meaning 10+7 respectively.
In the UK when you turn 17 you’re granted a whole new level of freedom, as it’s at this age that you can start taking driving lessons, as well as being able to drive both a van or a car.
There are many new-found freedoms for those who turn 17 in the US, too. Once you reach this age you’re allowed to apply for a private pilot license, rent R-rated movies, enlist in the armed forces (only with your parent’s consent), as well as being able to rent or buy any M-rated video games!
It is told that Saint Patrick used the shamrock to explain the Holy Trinity.
Green is the overwhelming color used on this day. March 17th is a public holiday in Ireland.
Saint Patrick’s Day has become an extremely popular day of celebration worldwide. This is a joyous and sociable celebration.
Norway celebrates Constitution Day on May 17th. On May 17, 1814 Norway declared independence from Denmark. Norway had been under Danish rule for 400 years.
South Korea celebrates Constitution Day on July 17th.
Tsar Nicholas II (50 years old) of Russia, his wife and their five children were executed by the Bolsheviks on July 17, 1918.
His wife, Tsarina Alexandra (46 years old) was the granddaughter of Queen Victoria of the United Kingdom.
According to research done by MIT the number 17 is the most common randomly chosen number between 1 and 20. This isn’t a completely random occurrence, either, as MIT has tested this theory a number of times with the same result each time!
17 is the seventh prime number. A prime number is a number that can only be divided by both itself and the number 1.
The number 17 is an incredibly common song title. Some of the most well-known artists with a song titled either “17”, “Seventeen”, or including the number in some way include Prince, Kings of Leon, The Smashing Pumpkins, Jimmy Eat World, Stevie Nicks, and the Sex Pistols.
The Beatles hit song “I Saw Her Standing There” was originally going to be called “Seventeen”.
There’s a character in the hit Japanese manga and anime series Dragonball Z called Android 17, a cyborg who plays the role of villain at the end of Season 3 of the TV show.
The periodic table of elements is arranged into different groups, and group 17 is made up of the halogens, which includes five elements that are chemically similar. Chlorine, one of the halogens, has atomic number 17.
Followers of Islam must perform 17 raka’ahs, or set of prayers and movements, in each of their 5 daily times of prayer.
According to ancient Egyptian legends the death of Osiris, the god of death and resurrection, happened on the 17th of a month. As with most legends that predate decent calendar systems, it gets a little vague after this point – although it apparently happened on a day in which it was clear to see that the full moon was over.
It’s been proven that for a solvable game of the popular number puzzle Sudoku to be completed it must have at least 17 different clues.
One of the most commonly known forms of Japanese poetry is the Haiku, which imposes a strict rule on the number of lines and syllables allowed. The first line must have five syllables, the second must have seven, and the last line must have five. The total syllables in a Haiku is 17.
The meaning of number 17 will vary around the world. Many will feel indifferent about the number, for some it is a lucky number.
Andrew Johnson was the 17th president of the United States (1865-1869). As Vice-President he became President when Lincoln was murdered.
Johnson grew up in poverty, never went to school and started his career as a tailor before entering politics.
Johnson was the first president to be impeached by congress for firing the Secretary of War from the Cabinet.
His opponents in the Senate lacked one vote to have him removed.
“In the six hundredth year of Noah’s life, in the second month, on the seventeenth day of the month, on that day all the fountains of the deep burst forth and the windows of the heavens were opened.” Genesis 7:11
Noah’s ark also came to rest on the seventeenth day. “and in the seventh month on the seventeenth day of the month the ark came to rest upon the mountains of Ararat.” Genesis 8:4
In Greek mythology (according to Homer) Odysseus floated on a raft for seventeen days after leaving Calypso. Calypso was the beautiful nymph who had held him hostage (see number 7).
You need to use 17 muscles to make a smile.
Haiku poems originated in Japan during the 16th century and have since then become popular worldwide.
March 17th is Saint Patrick Day. Saint Patrick is a patron Saint of Ireland. A common symbol is the three-leaved shamrock.
Their five children were: Olga (22 years old), Tatiana (21 years old), Maria (19 years old), Anastasia (17 years old) and Alexei (13 years old).
Their bodies were taken out into a forest and thrown down a mine shaft. The remains of their bodies were buried in the Peter and Paul Cathedral in St. Petersburg on July 17, 1998.
The Russian Orthodox Church has since then canonized all the seven members of the last Tsar family on the grounds that they were passion bearers. Their feast day is July 17.
The youngest person to have ever played in a Football (Soccer) World Cup final was the Brazilian superstar Edson Arantes do Nascimento, otherwise known as Pelé, who was 17 at the time.
The youngest recipient of the highly sought after Nobel prize was Malala Yousafzai, who was just 17 at the time. She was awarded the Nobel Peace Prize in 2014 for her struggles in advocating the rights for young women and children to have fair access to education.
Most people in the world would consider the number 13 to be the most unlucky number, but this isn’t the case everywhere. In Italy, the number 17 is instead considered unlucky, and it goes back to the age of Romans. In Roman numerals, 17 is XVII, which when rearranged becomes VIXI. In Latin VIXI means “I have lived”, which essentially means “I am dead”. Alitalia, an Italian airline doesn’t have a row 17 for this very reason, and some hotels do not have a room 17.

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