On the Number 5

1) 5 is the 5th Fibonacci Number
Leonardo Pisano Fibonacci (1170-1250) was an Italian mathematician who published Liber Abaci (Book of Abacus or Book of Calculation) in 1202. The book introduced a sequence of numbers known to Indian mathematicians as early as the 6th century, later known as Fibonacci numbers, each number is the sum of the previous two numbers. First ten Fibonacci numbers = 1, 1, 2, 3, 5, 8, 13, 21, 34, 55
Photo Source: Leonardo of Pisa (wikipedia.org)

2) Pentagon is a polygon with 5 sides

Photo Sources: Pentagon (media.photobucket.com); Pentagon Building (urscorp.com)
The sum of the internal angles in a simple pentagon is 540o. The internal angle of a regular pentagon is 108o. The Pentagon is the headquarters of the U.S, Department of Defense, located in Arlington County, Virginia. It is the world's largest office building by floor area, with about 6,500,000 sq. ft. It has five sides, five floors above ground, two basement levels, and five ring corridors per floor with a total of 17.5 miles of corridors. The Pentagon has a five-acre central plaza, which is shaped like a pentagon and informally known as "ground zero".

3) Five Platonic Solids:

In Euclidean geometry, a Platonic solid is a regular, convex polyhedron. The faces are congruent, regular polygons, with the same number of faces meeting at each vertex. There are five Platonic solids; their names derived from their numbers of faces— Tetrahedron (4 faces), Cube (6 faces), Octahedron (8 faces), Dodecahedron (12 faces), Icosahedron (20 faces). They are named for the ancient Greek philosopher Plato (428 BC-348 BC), who theorized in his Timaeus (360 BC) that the classical elements were constructed from the regular solids. In Mysterium Cosmographicum (1596), Johannes Kepler laid out a model of the solar system in which the five solids were set inside one another and separated by a series of inscribed and circumscribed spheres. Photo Source: Platonic Solids (mathart.wikidot.com)

4) 5x5 Magic Square of Mars:
The 5x5 Magic Square of Mars has 25 squares. It was used as a talisman for good luck in the Middle Ages. The horizontal and vertical rows as well as the diagonals squares all add up to 65 with total sum of 325. In his engraving Melencolia I (1514), Albrecht Dürer shows a 4x4 magic square of Jupiter above the angel's head to ward off the evil influences of Saturn. In De Occulta Philosophia (1510), Cornelius Agrippa (1486-1535), illustrates 7 Magic Squares— 3x3 (Saturn=15), 4x4 (Jupiter=34), 5x5 (Mars=65), 6x6 (Sun=111), 7x7 (Venus=175). 8x8 (Mercury=260), and 9x9 (Moon=369) associated with the astrological planets.
Photo Source: 5x5 Magic Square of Mars (oghamgematria.blogspot.com)

5) Quintessence: the Fifth Element
The Greek philosopher Empedocles (490-430 BC) wrote about four elements in 450 B.C., and elaborated by Plato in his Timaeus. Of the fifth Platonic solid, dodecahedron, Plato wrote "...the god used for arranging the constellations on the whole heaven". Aristotle added a fifth element, aithêr (aether in Latin, "ether" in English) and postulated that the heavens were made of this element. In India, space (akasha) was the fifth element beside air, fire, water, and earth. The Chinese five elements (Wu Xing) are wood, fire, earth, metal, and water. In modern cosmology, Quintessence is linked to dark energy that accounts for 73% of the universe and the cosmological constant Λ. Photo Source: Quintessence (universetoday.com)

6) Messier 5 Galaxy
Messier 5 is a globular cluster in the constellation Serpens. It was discovered by Gottfried Kirch in 1702 when he was observing a comet. William Herschel was the first to resolve individual stars in the cluster in 1791, counting roughly 200. Spanning 165 light-years in diameter, M5 is one of the larger globular clusters known. At 13 billion years old it, M5 is also one of the older globulars associated with the Milky Way Galaxy. Its distance is about 24,500 light-years from Earth and the cluster contains more than 100,000 stars, as many as 500,000 according to some estimates. Photo Source: Messier 5 (wikipedia.org)

7) Flowers with 5 Petals
When you count the number of petals that different flowers have, you'll discover that the most common number of petals is five. Buttercups, geraniums, pansies, primroses, rhododendrons, tomato blossoms, and many other flowers have five petals.

Balloon Flower

Blue Morning Glory


Dog Rose
Balloon Flower (Platycodon grandiflorus) is a species of perennial flowering plant of the family Campanulaceae. It is referred to as Chinese bellflower, Japanese bellflower, or balloon flower.
Blue Morning Glory (Ipomoea indica) is a tender perennial vine native to Hawaii and the New World tropics. It is also known as oceanblue morning glory, koali awa, and blue dawn flower.
Buttercup (Ranunculus) is mostly a herbaceous perennial with bright yellow or white flower. Members of the genus include buttercups, spearworts, water crowfoots and lesser celandine.
Dog Rose (Rosa canina) is a variable climbing wild rose species native to Europe, northwest Africa and western Asia. The plant is high in antioxidants with high vitamin C in the fruit.




Rosa Californica
Geranium (Geranium dissectum) is a genus of 422 species of flowering annual, biennial, and perennial plants known as cranesbills. The flowers are colored white, pink, purple or blue.
Pansy (Viola) is a large group of hybrid plants cultivated as garden flowers. Pansies are derived from Viola species Viola tricolor hybridized with other viola species— Viola x wittrockiana.
Periwinkle (Vinca major) is an herbaceous, perennial, rhizomatous and stoloniferous flowering plant in the genus Vinca. Its long creeping vines were used to prepare garlands.
Dog Rose (Rosa canina) is a variable climbing wild rose species native to Europe, northwest Africa and western Asia. The plant is high in antioxidants with high vitamin C in the fruit.

Rue Anenome


Star Gentian

Strawberry Flower
Enemion (Enemion biternatum) is a genus of flowering plants in the buttercup family known by the common name False Rue Anemone. It is native to the eastern half of North America.
Saxifraga (Saxifraga cochlearis)— smallish plants whose leaves grow close to the ground. William Carlos Williams's poem "A Sort of a Song": "Saxifrage is my flower that splits / the rocks".
Star Gentian (Gentiana cruciata) is a herbaceous perennial flowering plant in the Gentianaceae family. Flowers are violet-blue trumpets with 4 or 5 petals clustered in axils of upper leaves.
Strawberry Flower (Fragaria x ananassa) is a hybrid species that is cultivated worldwide for its fruit, the (common) strawberry. Strawberries contain fisetin, an antioxidant.

Virginia Spring Beauty

Water Primrose

White Buttercup

Wood Rose
Virginia spring beauty (Claytonia virginica) also known as Eastern spring beauty or fairy spud, is an herbaceous perennial in the family Portulacaceae. It's found in Eastern North America.
Blue Morning Glory (Ipomoea indica) is a tender perennial vine native to Hawaii and the New World tropics. It is also known as oceanblue morning glory, koali awa, and blue dawn flower.
Buttercup (Ranunculus) is mostly a herbaceous perennial with bright yellow or white flower. Members of the genus include buttercups, spearworts, water crowfoots and lesser celandine.
Dog Rose (Rosa canina) is a variable climbing wild rose species native to Europe, northwest Africa and western Asia. The plant is high in antioxidants with high vitamin C in the fruit.

8) Five Olympic Rings
The Olympic Games symbol is composed of five interlocking rings, colored blue, yellow, black, green, and red on a white field, representing the colors in all the world's national flags. It was designed in 1912 by Baron Pierre de Coubertin, founder of the modern Olympic Games. The first Olympic Flag was flown at the 1920 Summer Olympics in Antwerp, Belgium. The idea of the interlaced rings came to Pierre de Coubertin when he was in charge of the USFSA, an association founded by the union of two French sports associations and until 1925, responsible for representing the International Olympic Committee in France: The emblem of the union was two interlaced rings (like the vesica piscis typical interlaced marriage rings) and originally the idea of Swiss psychiatrist Carl Jung because for him the ring meant continuity and the human being. On January 15, 1948 Switzerland issued four stamps (Scott B170-B173) to publicize the 5th Olympic Winter Games at St. Moritz, Switzerland (January 30-February 8, 1948). The 5 + 5 centimes semipostal stamp (dark blue green & yellow) shows the Sun and 5 Olympic Rings. Photo Sources: Olympic Rings (wikipedia.org); Switzerland B171 (colnect.com)

9) 5¢ Cents Buffalo Nickels
The "Buffalo Nickel" or "Indian Head" was a United States 5¢ coin that was released to circulation on March 4, 1913 and was lasted coined in April 1938. It was designed by the sculptor James Earle Fraser, showing a Native American Indian on the obverse, and an American bison on the reverse side. Seneca Chief John Big Tree (1877-1967) claimed to be one of the three Native American chiefs whose profiles were composited to make the portrait of the Indian Head nickel. However Fraser said his models for the nickel were Iron Hail (1858-1955), a Sioux, Two Moons (1847-1917), a Cheyenne, and Big Tree (1850-1929), a Kiowa. In 1938, the Buffalo Nickel after 25 years in circulation was replaced by the Jefferson nickel designed by Felix Schlag, showing President Thomas Jefferson on the obverse, and Monticello on the reverse. In 2001, Fraser's buffalo nickel design was used for a commemorative buffalo silver dollar, and in 2006, it was used again for a 1 oz. $50 gold piece. In 2005, a buffalo appeared on the reverse of a new Jefferson nickel designed by Jamie Franki as part of the 2004-2005 Western Journey series of nickels. In 2010, a total of 490,560,000 nickels were struck for circulation. Photo Sources: 1938 Buffalo Nickel (speckleddog.blogspot.com); 1964 Jefferson Nickel (websitepicturesonly.coinauctionshelp.com); 2005 Buffalo Nickel (wikipedia.org)

10) United States $5 Bill

United States 1928-2007 Series of $5 bill
United States $5 Bill shows Abraham Lincoln on the obverse and Lincoln Memorial on the reverse side. Mathew Brady portrait of Lincoln taken on February 9, 1864 was used for the $5 bill. The 1928 F Series began circulation in 1929, and continued until 2007 when it was redesigned. The oval borders around President Lincoln's portrait on the front, and the Lincoln Memorial vignette on the back have been removed. Curiousity Trivia: The U.S. $5 bill can be folded to reveal a hidden stack of pancakes on it. Photo Sources: Old $5 Lincoln Bills (acapella.harmony-central.com); New $5 Lincoln Bills (wikipedia.org)

11) Fifth Day of Creation in Genesis 1.20-23:
"And God said, Let the waters bring forth abundantly the moving creature that hath life, and fowl that may fly above the earth in the open firmament of heaven. And God created great whales, and every living creature that moveth, which the waters brought forth abundantly, after their kind, and every winged fowl after his kind: and God saw that it was good. And God blessed them, saying, Be fruitful, and multiply, and fill the waters in the seas, and let fowl multiply in the earth. And the evening and the morning were the fifth day." Photo Source: Fifth Day of Creation (kenrick.edu)

12) Chanel No. 5:
Chanel No. 5 is the first perfume launched by Parisian couturier Gabrielle "Coco" Chanel. It was developed by Russian-French chemist and perfumer Ernest Beaux. Chanel felt the time was right for the debut of a scent that would epitomize the boyish, modern flapper that would speak to the liberated spirit of the 1920s. The floral-aldehydic feminine fine fragrance was released on Christmas 1921. The official launch place and date of Chanel No. 5 was in her rue Cambon boutique in the fifth month of the year, on the fifth day of the month: May 5, 1921.

13) High Five in Baseball
The high five is a celebratory hand gesture that occurs when two people simultaneously raise one hand, about head high, and push, slide or slap the flat of their palm and hand against the palm and flat hand of their partner. The use of the phrase as a noun has been part of the Oxford English Dictionary since 1980 and as a verb since 1981. The gesture takes its name from the "five" fingers and the raising of the hand "high". On October 10, 2011, Albert Pujols (#5) high-fives Matt Holliday (#7) after his homer in first inning off Brewers' Shaun Marcum at Milwaukee's Miller Park in Game 2 of National League Championship Series (NLCS). Pujols went 5 for 4 with 5 RBI (homer & 3 doubles), scoring 3 runs as Cardinals beats Brewer 12-3. The Cardinals won the 2011 NLCS 4-2 over the Brewers. Photo Source: Pujols high-fives Holliday (reviewstl.com)

14) Five = 5 letters in different languages:
Five has 5 letters in Spanish (cinqo), Finnish (viisi), Greek (πεντε)
6 letters in Italian (cinque)
4 letters in Dutch (vijf), French (cinq), German (fünf)
3 letters in Czech (pet), Danish (fem), English, French, German, Spanish One (3), Two (3), Three (5), Four (4), Five (4), Six (3), Seven (5), Eight (5), Nine (4), Ten (3), Eleven (6), Twelve (6) Photo Source: Number 5 (clker.com)

Baseball Uniform Number Five:
Sports Illustrated has selected Joe DiMaggio as the best baseball player to wear uniform #5. Nicknamed "Joltin' Joe" and "The Yankee Clipper", he played his entire 13-year career for the New York Yankees. He is best known for his 56-game hitting streak (May 15-July 16, 1941), a record that still stands. DiMaggio was inducted into the Baseball Hall of Fame in 1955. Photos: Joe DiMaggio #5 (rs-sportscollectibles.com); DiMaggio HOF Plaque (baseballhall.org)

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© Peter Y. Chou, WisdomPortal.com
P.O. Box 390707, Mountain View, CA 94039
email: peter@wisdomportal.com (6-6-2011)