Number 13 is said 🔊, write in letters as follows: thirteen . Ordinal number 13th is said 🔊 and write: thirteenth. The meaning of number 13: Basic maths, advanced mathematics and properties, computer science, numerology, codes and images, writing and naming in other languages, other interesting facts and comments. Number 13 in News.
Useful information about number 13
|The number 13 converted to a Mayan number is|
|Decimal and Mayan number conversions.|
13 kilograms (kg) = 28.7 pounds (lb)
13 pounds (lb) = 5.9 kilograms (kg)
13 kilometers (km) equals to 8.078 miles (mi).
13 miles (mi) equals to 20.921 kilometers (km).
13 meters (m) equals to 20.921 feet (ft).
13 feet (ft) equals 3.962 meters (m).
13 centimeters (cm) equals to 5.1 inches (in).
13 inches (in) equals to 33.0 centimeters (cm).
13° Fahrenheit (°F) equals to 55.4° Celsius (°C)
13° Celsius (°C) equals to -10.6° Fahrenheit (°F)
13 Horsepower (hp) equals to 9.56 kilowatts (kW)
13 kilowatts (kW) equals to 17.68 horsepower (hp)
Codes and images of the number 13Number 13 morse code: .---- ...--
Sign language for number 13:
|Images of the number|
|Image (1) of the number||Image (2) of the number|
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Number 13 infographic.
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Gregorian, Hebrew, Islamic, Persian and Buddhist year (calendar)Gregorian year 13 is Buddhist year 556.
Buddhist year 13 is Gregorian year 530 a. C.
Gregorian year 13 is Islamic year -628 or -627.
Islamic year 13 is Gregorian year 634 or 635.
Gregorian year 13 is Persian year -610 or -609.
Persian year 13 is Gregorian 634 or 635.
Gregorian year 13 is Hebrew year 3773 or 3774.
Hebrew year 13 is Gregorian year 3747 a. C.
The Buddhist calendar is used in Sri Lanka, Cambodia, Laos, Thailand, and Burma. The Persian calendar is official in Iran and Afghanistan.
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Mathematics of no. 13
Multiplication table of 13
13 multiplied by two equals 26 (13 x 2 = 26).
13 multiplied by three equals 39 (13 x 3 = 39).
13 multiplied by four equals 52 (13 x 4 = 52).
13 multiplied by five equals 65 (13 x 5 = 65).
show multiplications by 6, 7, 8, 9 ...
Fractions: decimal fraction and common fraction
Fraction table of 13
Half of 13 is 6,5 (13 / 2 = 6,5 = 6 1/2).
One third of 13 is 4,3333 (13 / 3 = 4,3333 = 4 1/3).
One quarter of 13 is 3,25 (13 / 4 = 3,25 = 3 1/4).
One fifth of 13 is 2,6 (13 / 5 = 2,6 = 2 3/5).
show fractions by 6, 7, 8, 9 ...
Advanced math operations
The number 13 is a prime number. The closest prime numbers are 11, 17.
13th prime number in order is 41.
Factorization and dividers
Factorization 13 = 13
Divisors of number 13 are 1 , 13
Total Divisors 2.
Sum of Divisors 14.
The second power of 132 is 169.
The third power of 133 is 2.197.
The square root √13 is 3,605551.
The cube root of 3√13 is 2,351335.
The natural logarithm of No. ln 13 = loge 13 = 2,564949.
The logarithm to base 10 of No. log10 13 = 1,113943.
The Napierian logarithm of No. log1/e 13 = -2,564949.
Trigonometric functionsThe cosine of 13 is 0,907447.
The sine of 13 is 0,420167.
The tangent of 13 is 0,463021.
Properties of the number 13Is a Friedman number: No
Is 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 13 in Computer Science
|Code type||Code value|
|Port 13/TCP, UDP||DAYTIME protocol|
|Unix time||Unix time 13 is equal to Thursday Jan. 1, 1970, 12:13 a.m. GMT|
|IPv4, IPv6||Number 13 internet address in dotted format v4 0.0.0.13, v6 ::d|
|13 Decimal||= 1101 Binary|
|13 Decimal||= 111 Ternary|
|13 Decimal||= 15 Octal|
|13 Decimal||= D Hexadecimal (0xd hex)|
|More SHA codes related to the number 13 ...|
The meaning of the number 3 (three), numerology 3
Character frequency 3: 1
The meaning of the number 1 (one), numerology 1
Character frequency 1: 1
Interesting facts about the number 13
Areas, mountains and surfaces
- The total area of United States Minor Outlying Islands is 2,687.04 square miles (6,959.41 km²) and the water area is 2,678 square miles (6,937 km²) and the land area is 13.2 square miles (34.2 km²).
- The total area of Java is 53,589 square miles (138,794 square km). Country Indonesia (Banten, Jakarta, Yogyakarta and Central, East and West Java). 13th largest island in the world.
- It is one of the lucky numbers for the zodiac sign Scorpio.
- ¿Qué es la astrología y para qué sirve?
Astronomy and space
- (13) Egeria es el asteroide número 13. Fue descubierto por A. de Gasparis desde Obs. Astronómico de Capodimonte, el 11/2/1850.
- Apollo 13 was a NASA Moon mission famous for being a 'successful failure' in 1970.
Distances between cities
- There is a 13 miles (20 km) direct distance between Abū Ghurayb (Iraq) and Baghdad (Iraq).
- There is a 13 miles (20 km) direct distance between Álvaro Obregón (Mexico) and Ciudad Nezahualcoyotl (Mexico).
- There is a 13 miles (20 km) direct distance between Delhi (India) and Ghāziābād (India).
- There is a 13 miles (20 km) direct distance between Depok (Indonesia) and Jakarta (Indonesia).
In other fields
- On average a person laughs 13 times in a day.
- Symbol of Hate: The number 13 is a numerical symbol of the Aryan Circle, the great racist prison gang based in Texas. Substitute letters for numbers, 1 and 3 equals A and C, that is, AC or Aryan Circle. Números del mal.
- Dreaming of the number 13 means transformation to the new, much higher and spiritual being.
- 13 is the number of Archimedean solids.
- 13 were the diners of the Last Supper of Christ
- The apparitions of the Virgin of Fatima in 1917 were claimed to occur on the 13th of six consecutive months.
- In Judaism, 13 signifies the age when a boy matures and becomes a Bar Mitzvah, that is, a full member of the Jewish faith.
- Aluminium is the chemical element in the periodic table that has the symbol Al and atomic number 13.
- The best athletes to wear number 13
Wilt Chamberlain, NBA; Dan Marino, NFL; Alex Rodriguez, MLB; Steve Nash, NBA; James Harden, NBA
- Ángel Nieto Roldán was a Spanish motorcycling pilot, world speed champion 13 times.
- For Spain and Latin America, Tuesday the 13th is bad luck. For France and English-speaking countries it is Friday the 13th.
- The number 13 in Japan is considered bad for a purely mathematical reason, since it is the sum of 9 and 4.
Tv, movies and cinematography
- Film: 13 Rue Madeleine (13 Rue Madeleine) Year: 1946 Length: 92 Director: Henry Hathaway Featuring: James Cagney; Annabella
- Film: 13 Tzameti (13 Tzameti) Year: 2005 Duration: 95 Director: Géla Babluani With: George Babluani; Pascal Bongard
- Apollo 13 is a 1995 American film that recounts the problems of the failed Apollo 13 lunar mission. The film is a free adaptation of the novel Lost Moon, written by Jim Lovell (the Apollo 13 mission commander) and Jeffrey Kluger.
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Number 13 in other languages
|Spanish:||🔊 (número 13)|
|German:||🔊 (Anzahl 13)|
|French:||🔊 (nombre 13)|
|Portuguese:||🔊 (número 13)|
|Chinese:||🔊 (数 13)|
|Other languages ...|
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Number 13 in News
|CNN: At least 13 people were injured in a shooting in downtown Austin, authorities say
At least 13 people were injured early Saturday morning in a shooting in downtown Austin, Texas, officials said. ...
June 12, 2021
|BBC: Pembrokeshire school bus crash: Car driver dies and 13 children hurt
Two of the 13 children hurt in Monday morning's school bus crash were taken to hospital. ...
May 17, 2021
|Buzz: Research Shows These Are The 13 Countries People Struggle To Identify On A Map – Can You Guess Even Half Right?
Do you know your countries by sight?View Entire Post › ...
Feb. 17, 2021