23 Fun Facts About Number 5 You Didn’t Know

Imge of number 5 with Bicycle Chain

23 Fun Facts About Number 5 You Didn’t Know

  1. Five is the only number that is the sum of two consecutive primes, 2 and 3.
  2. The number 5 represents God’s grace and favor towards humans.
  3. There were five holy wounds of Christ​.
  4. In Tarot, five is the card for the Hierophant, symbolizing peace and harmony​.
  5. There are five pillars of Islam​.
  6. In astrology, the fifth house represents creativity, self-expression, and children.
  7. The five points on a maple leaf have come to symbolize Canada and Canadian identity.
  8. On a die, the pattern of five dots is called a quincunx​.
  1. The number 5 is associated with the five senses, which can be terrifying when they fail or malfunction.
  2. In Chinese numerology, the number 5 is considered unlucky because it sounds similar to the word for death.
  3. An earthworm has five hearts.
  4. The fear of the number 5 is known as pentaphobia, a condition that can cause severe anxiety and panic attacks.
  5. Boron, a chemical element, has the atomic number 5​.
  6. In many cultures, the fifth child born into a family is said to be cursed or doomed to a life of misfortune.
  7. There are 5 vowels in the English alphabet​.

Table of Contents

1. Five is the only number that is spelled with the same number of letters.

This means that the word “five” consists of four letters, which is exactly the same number as the value it represents. This property of the number five is known as a “numerical palindrome”, which is a number that remains the same when its digits are reversed.

It is also worth noting that in some other languages, such as Chinese and Japanese, other numbers also share this property.

2. There are five basic tastes: sweet, sour, salty, bitter, and umami.

Taste is one of the five senses of the human body, and it plays a crucial role in how we experience food. Sweetness is often associated with sugars and carbohydrates, while sourness is commonly found in acidic foods such as citrus fruits.

Saltiness is a taste that is associated with the presence of salt, while bitterness is often linked to alkaloids found in plants. On the other hand, Umami is a savory taste often described as “meaty” or “brothy”, and is associated with glutamate in foods such as meat, fish, and mushrooms.

3. Jupiter is the fifth planet from the sun.

Jupiter, the largest planet in our solar system, is a gas giant mainly composed of hydrogen and helium gases, with a diameter of over 86,000 miles. Interestingly, the number 5 comes into play when looking at Jupiter’s many moons – the planet has a total of 79 moons, five being the largest and most well-known.

4. The pentagram, a five-pointed star, symbolizes protection in various cultures.

a close up of a planet jupiter : fun facts about number 5
The Fifth Planet in
our Solar System.

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It has been used as a symbol of protection and warding off evil spirits, as well as a symbol of harmony and balance. In some cultures, the pentagram is associated with the five elements of nature (earth, air, fire, water, and spirit), while in others, it is seen as a symbol of the human body or the divine feminine.

5. The Olympic rings represent the five continents of the world.

The Olympic rings are a symbol of the Olympic Games, which is a global multi-sport event that brings together athletes from around the world to compete in various sporting events. The five rings of the Olympic symbol represent the five continents of the world: Africa, the Americas, Asia, Europe, and Oceania.

The colors of the rings (blue, yellow, black, green, and red) were chosen because every nation’s flag includes at least one of these colors.

6. A musical scale consists of five whole tones and two half-tones.

In Western music, a musical scale is a sequence of notes played in ascending or descending order. The most common type of scale used in Western music is the diatonic scale, which consists of seven notes and is used to form melodies and harmonies in a wide range of musical styles.

A diatonic scale is made up of five whole tones (also called whole steps) and two half-tones (also called half-steps).

7. A US dollar bill has five serial numbers.

The one-dollar bill is one of the most commonly used forms of paper currency in the United States, featuring the portrait of George Washington, the country’s first president.

One interesting aspect of these bills is that each one is printed with a unique serial number, which serves to differentiate it from all other bills in circulation.

8. The five-second rule says food is safe to eat if picked up quickly after dropping.

person in front of table with salsa dish
Quick pickup, still safe: the five-second rule.

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The “five-second rule” is a common idea that suggests food dropped on the ground remains safe to eat if picked up within five seconds. However, there is no scientific evidence to support this belief.

Bacteria can attach to food as soon as it makes contact with a contaminated surface, and the level of risk depends on various factors.

9. 5 is a typical starfish that has five arms.

A typical starfish, also known as a sea star, has five arms radiating from the center of its body. These arms are used for movement, feeding, and sensing the environment.

Starfish are marine invertebrates that belong to the class Asteroidea and are found in oceans worldwide, playing an important ecological role as predators and scavengers in marine ecosystems.

10. The world’s five largest lakes are the Caspian Sea, Superior, Victoria, Huron, and Michigan.

The Caspian Sea is the world’s largest lake by surface area and volume, located between Europe and Asia. Lake Superior is the largest freshwater lake in the world by surface area, while Lake Victoria is the largest tropical lake and the second-largest freshwater lake by surface area.

Lake Huron and Lake Michigan are the world’s third and fourth-largest freshwater lakes by surface area, respectively, and are two of the five Great Lakes in North America.

11. A star with five points is called a pentacle.

The pentacle is a symbol that has been used across many cultures, religions, and spiritual traditions, with its most recognizable form being a five-pointed star. The name pentacle comes from the Greek word pente, which means five.

This symbol has been used to represent different concepts, including protection, harmony, and the five elements, among others.

12. There are five oceans in the world.

a small island in the middle of a body of water
Five oceans, one world.

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The Atlantic Ocean is the second-largest ocean, separating the Americas from Europe and Africa. The Pacific Ocean is the world’s largest ocean and stretches from the western coast of the Americas to the eastern coast of Asia and Australia.

The Indian Ocean is the third-largest ocean and is located between Africa, Asia, Australia, and the Indian subcontinent.

The Southern Ocean encircles Antarctica and is sometimes considered a separate ocean, while the Arctic Ocean is the smallest and lies mostly within the Arctic Circle.

13. The highest number on a standard telephone dial is 5.

The numbers on a standard telephone dial are arranged in a circular pattern and range from 1 to 0. The highest number on a standard telephone dial is 5, which is located in the top center of the dial.

Each number on the dial is assigned a specific tone frequency corresponding to the digit being dialed. The dial was a common feature of older telephones, but modern phones often use digital keypads instead.

14. In Buddhism, the Five Precepts are a set of ethical guidelines to follow.

Buddhist teachings are centered around fundamental ethical guidelines known as the Five Precepts, which serve to promote moral conduct and foster mindfulness and compassion.

Interestingly, the number 5 plays a significant role in these precepts, with each one addressing a specific area of conduct, such as refraining from killing, stealing, and lying, as well as avoiding intoxication and sexual misconduct.

15. The fifth book of the Old Testament is Deuteronomy.

Deuteronomy is the fifth book of the Hebrew Bible and the Christian Old Testament. It is part of the Torah, which contains Judaism’s foundational laws and teachings.

The name “Deuteronomy” comes from the Greek words “deuteron,” meaning “second,” and “nomos,” meaning “law,” indicating that the book contains a repetition of laws and commandments given to the Israelites.

16. The United States flag has five-pointed stars on it.

Five-pointed stars adorn the US flag.

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The United States flag is a symbol of the country and is made up of red and white stripes, representing the original 13 colonies, and a blue field in the upper left-hand corner with 50 white, five-pointed stars.

The stars on the flag represent the 50 states of the United States, while the blue field is called the “union” and symbolizes the unity of the states.

17. The fifth month of the year is May.

May is the fifth month of the Gregorian calendar, which is widely used worldwide. The month of May has 31 days and is named after the Roman goddess Maia, who was associated with fertility and growth.

May is associated with spring in the Northern Hemisphere and autumn in the Southern Hemisphere.

18. The five-pointed leaves of the ginkgo tree are a symbol of longevity and resilience.

The ginkgo tree is a fascinating species of tree that has been around for over 200 million years, making it one of the oldest living organisms on Earth.

Its leaves are unmistakable, with a unique fan shape and five points. This “living fossil” has managed to survive through numerous natural disasters and human activities.

19. The five stripes on a skunk symbolize the animal’s innocence, warning, and defense mechanism.

Skunks are a type of mammal known for their distinctive black and white stripes. Skunks use their stripes to warn predators that they have a powerful defense mechanism: the ability to spray a foul-smelling liquid to deter predators and protect themselves.

The stripes on skunks have also been associated with innocence and purity in some cultures.

20. The average adult human body has about five liters of blood.

silhouette photo of man on cliff during sunset
Five liters of blood in every adult human.

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The circulatory system is responsible for transporting blood throughout the human body. An average adult human body contains approximately 5 liters of blood, which makes up about 7% of the body weight. Blood is composed of plasma, red blood cells, white blood cells, and platelets.

21. 5 is the smallest odd prime number.

A prime number is a number that is only divisible by 1 and itself. The number 5 is the smallest odd prime number, as it is not divisible by numbers other than 1 and 5.

In mathematics, prime numbers are important because they are the building blocks for all other numbers. They play a fundamental role in cryptography, computer algorithms, and other applications. 

22. The five rings in Audi’s logo symbolize its four original manufacturers and the company.

Interestingly, when you look closer at the Audi logo, you’ll notice that each ring represents one of the four founding manufacturers that joined forces to create the company car in 1932.

Audi, DKW, Horch, and Wanderer. And as for the fifth ring in the center? Well, that one represents the company itself.

23. Why is 5 a magic number?

The number 5 is often considered a “magic number” because of its prevalence in various cultures and systems. In mathematics, 5 is a prime number and a Fibonacci number, which plays an important role in geometry and trigonometry.

In many spiritual and religious traditions, 5 is associated with balance, harmony, and transformation. In popular culture, the number 5 is often used to symbolize luck or good fortune.


In many cultures, the number 5 is considered a lucky number. In Chinese culture, the number 5 is associated with the five elements (wood, fire, earth, metal, water), which are believed to be balanced when the number appears. In numerology, the number 5 is associated with adventure, change, and freedom.

The ancient number 5 refers to the number as it was understood and used in ancient times. The ancient Greeks, for example, used a system of numerals that included the number 5, which was represented by the letter epsilon (ε) in their alphabet.

The number 5 is often associated with grace and mercy in the Bible. For example, in the Book of Matthew, Jesus feeds 5,000 people with just five loaves of bread and two fish, which demonstrates God’s abundant grace and mercy.

In many spiritual traditions, the number 5 is associated with spiritual transformation and growth. It is seen as a symbol of change, adventure, exploration, balance, and harmony. In some spiritual systems, the number 5 is associated with the five elements or the five senses.

The meaning of the number 5 can vary depending on the context. In numerology, the number 5 is associated with adventure, change, and freedom. In many cultures, the number 5 is considered a lucky number. In the Bible, the number 5 is associated with grace and mercy, while in spiritual traditions, it is associated with spiritual transformation and growth.

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