Number 13

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 decimal (Arabic) number 13 converted to a Roman number is XIII. Roman and decimal number conversions.
The number 13 converted to a Mayan number is mayan number 13
Decimal and Mayan number conversions.

Weight conversion


13 kilograms (kg) = 28.7 pounds (lb)
13 pounds (lb) = 5.9 kilograms (kg)

Length conversion


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).

Temperature conversion


13° Fahrenheit (°F) equals to 55.4° Celsius (°C)
13° Celsius (°C) equals to -10.6° Fahrenheit (°F)

Power conversion


13 Horsepower (hp) equals to 9.56 kilowatts (kW)
13 kilowatts (kW) equals to 17.68 horsepower (hp)

Codes and images of the number 13

Number 13 morse code: .---- ...--
Sign language for number 13:
Sign language for number 13 Sign language for number 13
Images of the number
Image (1) of the numberImage (2) of the number
Number 13 black image Number 13 red image
There is no copyright for these images. Number 13 infographic.
More images, other sizes, codes and colors ...

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

Multiplications

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 ...

Calculator

13

Advanced math operations

Is Prime?


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.

Powers


The second power of 132 is 169.
The third power of 133 is 2.197.

Roots


The square root √13 is 3,605551.
The cube root of 313 is 2,351335.

Logarithms


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 functions

The cosine of 13 is 0,907447.
The sine of 13 is 0,420167.
The tangent of 13 is 0,463021.

Properties of the number 13

Is 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 typeCode value
Port 13/TCP, UDPDAYTIME protocol
Unix timeUnix time 13 is equal to Thursday Jan. 1, 1970, 12:13 a.m. GMT
IPv4, IPv6Number 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)
13 BASE64MTM=
13 MD5c51ce410c124a10e0db5e4b97fc2af39
13 SHA1bd307a3ec329e10a2cff8fb87480823da114f8f4
More SHA codes related to the number 13 ...

Numerology 13

The meaning of the number 3 (three), numerology 3

Character frequency 3: 1

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 self-expressive in many ways and with communication skills.
More about the meaning of the number 3 (three), numerology 3 ...

The meaning of the number 1 (one), numerology 1

Character frequency 1: 1

Number one (1) came to develop or balance creativity, independence, originality, self-reliance and confidence in the world. It reflects power, creative strength, quick mind, drive and ambition. It is the sign of individualistic and aggressive nature.
More about the meaning of the number 1 (one), numerology 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.

Astrology

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.

Mathematics

  • 13 is the number of Archimedean solids.

Religions

  • 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.

Science

  • Aluminium is the chemical element in the periodic table that has the symbol Al and atomic number 13.

Sports

  • 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.

Superstitions

  • 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.

Number 13 in other languages

How to say or write the number thirteen in Spanish, German, French and other languages.
Spanish: 🔊 (número 13)

trece

German: 🔊 (Anzahl 13)

dreizehn

French: 🔊 (nombre 13)

treize

Portuguese: 🔊 (número 13)

treze

Chinese: 🔊 (数 13)

十三

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

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