Number 3
Number 3 spell 🔊, write in words: three . Ordinal number 3rd is said 🔊 and write: third. The meaning of number 3 in Maths: Is Prime? Factorization and dividers. The square root and cube root of 3. The meaning in computer science, numerology, codes and images, writing and naming in other languages, other interesting facts.
Useful information about number 3
The decimal (Arabic) number 3 converted to a Roman number is III.
Roman and decimal number conversions.
3 kilograms (kg) = 6.6 pounds (lb)
3 pounds (lb) = 1.4 kilograms (kg)
3 kilometers (km) equals to 1.864 miles (mi).
3 miles (mi) equals to 4.828 kilometers (km).
3 meters (m) equals to 4.828 feet (ft).
3 feet (ft) equals 0.914 meters (m).
3 centimeters (cm) equals to 1.2 inches (in).
3 inches (in) equals to 7.6 centimeters (cm).
3° Fahrenheit (°F) equals to 16.1° Celsius (°C)
3° Celsius (°C) equals to 37.4° Fahrenheit (°F)
3 Horsepower (hp) equals to 2.21 kilowatts (kW)
3 kilowatts (kW) equals to 4.08 horsepower (hp)
The number 3 converted to a Mayan number is  
Decimal and Mayan number conversions. 
Weight conversion
3 kilograms (kg) = 6.6 pounds (lb)
3 pounds (lb) = 1.4 kilograms (kg)
Length conversion
3 kilometers (km) equals to 1.864 miles (mi).
3 miles (mi) equals to 4.828 kilometers (km).
3 meters (m) equals to 4.828 feet (ft).
3 feet (ft) equals 0.914 meters (m).
3 centimeters (cm) equals to 1.2 inches (in).
3 inches (in) equals to 7.6 centimeters (cm).
Temperature conversion
3° Fahrenheit (°F) equals to 16.1° Celsius (°C)
3° Celsius (°C) equals to 37.4° Fahrenheit (°F)
Power conversion
3 Horsepower (hp) equals to 2.21 kilowatts (kW)
3 kilowatts (kW) equals to 4.08 horsepower (hp)
Codes and images of the number 3
Number 3 morse code: ...Sign language for number 3:
Images of the number  
Image (1) of the number  Image (2) of the number 
There is no copyright for these images.
Number 3 infographic.

More images, other sizes, codes and colors ... 
Photo of number 3
Gregorian, Hebrew, Islamic, Persian and Buddhist year (calendar)
Gregorian year 3 is Buddhist year 546.Buddhist year 3 is Gregorian year 540 a. C.
Gregorian year 3 is Islamic year 638 or 637.
Islamic year 3 is Gregorian year 624 or 625.
Gregorian year 3 is Persian year 620 or 619.
Persian year 3 is Gregorian 624 or 625.
Gregorian year 3 is Hebrew year 3763 or 3764.
Hebrew year 3 is Gregorian year 3757 a. C.
The Buddhist calendar is used in Sri Lanka, Cambodia, Laos, Thailand, and Burma. The Persian calendar is official in Iran and Afghanistan.
Share in social networks
Mathematics of no. 3
Multiplications
Multiplication table of 3
3 multiplied by two equals 6 (3 x 2 = 6).
3 multiplied by three equals 9 (3 x 3 = 9).
3 multiplied by four equals 12 (3 x 4 = 12).
3 multiplied by five equals 15 (3 x 5 = 15).
3 multiplied by six equals 18 (3 x 6 = 18).
3 multiplied by seven equals 21 (3 x 7 = 21).
3 multiplied by eight equals 24 (3 x 8 = 24).
3 multiplied by nine equals 27 (3 x 9 = 27).
show multiplications by 6, 7, 8, 9 ...
3 multiplied by seven equals 21 (3 x 7 = 21).
3 multiplied by eight equals 24 (3 x 8 = 24).
3 multiplied by nine equals 27 (3 x 9 = 27).
Fractions: decimal fraction and common fraction
Fraction table of 3
Half of 3 is 1,5 (3 / 2 = 1,5 = 1 1/2).
One third of 3 is 1 (3 / 3 = 1).
One quarter of 3 is 0,75 (3 / 4 = 0,75 = 3/4).
One fifth of 3 is 0,6 (3 / 5 = 0,6 = 3/5).
One sixth of 3 is 0,5 (3 / 6 = 0,5 = 1/2).
One seventh of 3 is 0,4286 (3 / 7 = 0,4286 = 3/7).
One eighth of 3 is 0,375 (3 / 8 = 0,375 = 3/8).
One ninth of 3 is 0,3333 (3 / 9 = 0,3333 = 1/3).
show fractions by 6, 7, 8, 9 ...
One seventh of 3 is 0,4286 (3 / 7 = 0,4286 = 3/7).
One eighth of 3 is 0,375 (3 / 8 = 0,375 = 3/8).
One ninth of 3 is 0,3333 (3 / 9 = 0,3333 = 1/3).
Calculator
3  
Advanced math operations
Is Prime?
The number 3 is a prime number. The closest prime numbers are 2, 5.
3rd prime number in order is 5.
Factorization and dividers
Factorization 3 = 3
Divisors of number 3 are 1 , 3
Total Divisors 2.
Sum of Divisors 4.
Powers
The second power of 3^{2} is 9.
The third power of 3^{3} is 27.
Roots
The square root √3 is 1,732051.
The cube root of ^{3}√3 is 1,44225.
Logarithms
The natural logarithm of No. ln 3 = log_{e} 3 = 1,098612.
The logarithm to base 10 of No. log_{10} 3 = 0,477121.
The Napierian logarithm of No. log_{1/e} 3 = 1,098612.
Trigonometric functions
The cosine of 3 is 0,989992.The sine of 3 is 0,14112.
The tangent of 3 is 0,142547.
Properties of the number 3
Is a Friedman number: NoIs a Fibonacci number: Yes
Is a Bell number: No
Is a palindromic number: No
Is a pentagonal number: No
Is a perfect number: No
Number 3 in Computer Science
Code type  Code value 

Unix time  Unix time 3 is equal to Thursday Jan. 1, 1970, 12:03 a.m. GMT 
IPv4, IPv6  Number 3 internet address in dotted format v4 0.0.0.3, v6 ::3 
3 Decimal  = 11 Binary 
3 Decimal  = 10 Ternary 
3 Decimal  = 3 Octal 
3 Decimal  = 3 Hexadecimal (0x3 hex) 
3 BASE64  Mw== 
3 MD5  eccbc87e4b5ce2fe28308fd9f2a7baf3 
3 SHA1  77de68daecd823babbb58edb1c8e14d7106e83bb 
3 SHA224  4cfc3a1811fe40afa401b25ef7fa0379f1f7c1930a04f8755d678474 
3 SHA256  4e07408562bedb8b60ce05c1decfe3ad16b72230967de01f640b7e4729b49fce 
3 SHA384  6af11c83586822c3c74bb3ccef728bae5cfee67cad82dd7402711e530bec782fc02aff273569d22ddffb3b145f343768 
More SHA codes related to the number 3 ... 
If you know something interesting about the 3 number that you did not find on this page, do not hesitate to write us here.
Numerology 3
The number three (3) came to share genuine expression and sensitivity with the world. People associated with this number need to connect with their deepest emotions. The number 3 is characterized by its pragmatism, it is utilitarian, sagacious, dynamic, creative, it has objectives and it fulfills them. He/she is also selfexpressive in many ways and with communication skills.
It is the number of creativity, expressiveness, sociability, joy, joviality and optimism. It represents the creative power, the way to value his/her own image and the expression of himself/herself. It defines the "personal image" and in what way he/she relates to his/her close social environment.
Number 3 personality is charming and spontaneous. If it causes any harm to someone, will sincerely apologize. It generally has a great capacity for seduction that neutralizes any adverse situation. It really is almost impossible to find a personality 3 who is unfriendly. And it is also very difficult to find a number 3 that is calm and thoughtful. It has great dynamism and energy and behaves as if its only objective was to stand out. Conformity and routine are its worst enemies. Read more ...
Interesting facts about the number 3
Aircrafts and flights
 09/03/1962 the Aeroflot plane, flight number 03, Tupolev Tu104A crashed in near Yelabuga, Tatarstan, Russia 79 passengers and 7 crew members died.
Areas, mountains and surfaces
 The total area of Borneo is 288,869 square miles (748,168 square km). Country Brunei, Indonesia (Central, East, North, South and West Kalimantan) and Malaysia (Sabah and Sarawak). 3th largest island in the world.
Astrology
 It is one of the lucky numbers for the zodiac sign Gemini and Capricorn.
 What is astrology and what is it for?
Astronomy and space
 (3) Juno is asteroid number 3. Was discovered by K. L. Harding from Lilienthal, 9/1/1804.
 Earth is the third planet.
Games
History and politics
 The Nazis called Germany the Third Reich. The first two had been the Holy Roman Empire and the Prussian Empire.
In other fields
 The number of trialism; Hegelian thesis, antithesis and synthesis, the Christian Trinity, the three substances of David de Dinant; God, matter, spirit ...
 In many cultures the 3 is represented by three points, as in the case of Mayan numerals, or by three lines (horizontal or vertical). For example, in Roman numerals (III) and Chinese numerals (三).
 3 are the primary colors: yellow, magenta, and cyan.
Mathematics
 3 is the number of spatial dimensions we live in.
Music
 '3 Kings', in Spanish '3 reyes', is a song by the American hip hop artist Slim Thug. It is also a song by American rapper Rick Ross.
 The rock band Blind Melon titled one of their songs Three is a magic Number.
 The Peruvian rock band Libido titled Tres to one of the songs on their album 'Hembra'.
 'Los Tres' is a Chilean rock group.
 'Three Days Grace' is a rock band originally from Ontario, Canada. According to members of the band, the name comes from a philosophical question of whether you could change something in the life of another in just three days.
 '3 Doors Down' is an American rock group founded in Escatawpa, Mississippi, United States in 1996. The band saw the letters fall off a building, which said “Doors Down” (doors down). The three represents the number of members.
 '3 Little Words', in Spanish '3 small words', is a song by the British electropop singer Frankmusik.
 '3' is a song recorded by American singer Britney Spears and also a song by American rock band Disturbed.
 '3 Words', in Spanish '3 Palabras', is a song recorded by the English singer Cheryl Cole.
 '3 Chances', in Spanish '3 Posibilidades', is a song by the Danish artist Oh Land.
 '3WW' (pronounced 'Three Worn Words') is a song by the British indie rock band altJ.
 The number 3 also appears in the song of A Perfect Circle, called "3 Libras"
Religions
 The 3 is the number of the Trinity in the Bible. It indicates a fullness and an inner holiness.
 Satan tempts Jesus three times before giving up.
 There are 3 named Angels in the Bible: Gabriel, Michael, and Lucifer.
 For the Hebrews it symbolizes the 3 plagues that David passed.
 For the Greeks and Romans it had religious meaning. They repeated the mystical words three times, made three libations in their liturgical ceremonies in which they sacrificed three animals.
 Jesus stayed three days in the tomb.
 There are 3 Wise Men: Melchior, Gaspar and Baltasar.
 According to Christian doctrine, Jesus was crucified between two thieves and rose again on the third day.
 The rule of three is a fundamental principle of Wicca (a neopagan religion, linked to witchcraft and other ancient religions).
Science
 Lithium is the chemical element in the periodic table that has the symbol Li and atomic number 3.
 You need 3 points of support to hold yourself in balance, eg the tripod.
 Asimow postulated three laws of robotics.
Sports
 The best athletes to wear number 3
Babe Ruth, MLB; Dwyane Wade, NBA; Allen Iverson, NBA; Dale Earnhardt, NASCAR; Bronko Nagurski, NFL; Harmon Killebrew, MLB; Candace Parker, WNBA; Diana Taurasi, WNBA
Superstitions
 Photographs of three people are believed to bring bad luck in Vietnam.
 In wars the number three has been considered bad luck, it was said that lighting three cigarettes with the same match was bad luck, it was not just a superstition, the first of the soldiers lit his cigar and the enemy could see it, with the second that ignited he could aim and thus when he reached the third one he could shoot and kill one of the soldiers.
Tv, movies and cinematography
 'Tres Colores' is a film trilogy.
Please write us
If you know something interesting about the number 3 or any natural number (positive integer), please write to us.Number 3 in other languages
How to say or write the number three in Spanish, German, French and other languages.
Spanish:  🔊 (número 3)  tres 
German:  🔊 (Anzahl 3)  drei 
French:  🔊 (nombre 3)  trois 
Portuguese:  🔊 (número 3)  três 
Chinese:  🔊 (数 3)  三 
Arabian:  🔊 (عدد 3)  ثلاثة 
Czech:  🔊 (číslo 3)  tři 
Korean:  🔊 (번호 3)  삼 
Danish:  🔊 (nummer 3)  tre 
Hebrew:  (מספר 3)  שלש 
Dutch:  🔊 (nummer 3)  drie 
Japanese:  🔊 (数 3)  三 
Indonesian:  🔊 (jumlah 3)  tiga 
Italian:  🔊 (numero 3)  tre 
Norwegian:  🔊 (nummer 3)  tre 
Polish:  🔊 (liczba 3)  trzy 
Russian:  🔊 (номер 3)  три 
Turkish:  🔊 (numara 3)  üç 
Thai:  🔊 (จำนวน 3)  สาม 
Ukrainian:  🔊 (номер 3)  три 
Vietnamese:  🔊 (con số 3)  ba 
Other languages ... 
News to email
Comment
If you know something interesting about the number 3 or any
natural number (positive integer) please write us here or on facebook.
For this topic there are no comments.
Legal Notices & Terms of Use
The content of the comments is the opinion of the users not of number.academy. It is not allowed to pour comments contrary to the laws, insulting, illicit or harmful to third parties. Number.academy reserves the right to remove or not make public any inappropriate comment. It also reserves the right to post a comment on another topic. Privacy Policy.
The content of the comments is the opinion of the users not of number.academy. It is not allowed to pour comments contrary to the laws, insulting, illicit or harmful to third parties. Number.academy reserves the right to remove or not make public any inappropriate comment. It also reserves the right to post a comment on another topic. Privacy Policy.
For this topic there are no comments.