Number 11 facts

The odd number 11 is spelled 🔊, and written in words: eleven. The ordinal number 11st is said 🔊 and written as: eleventh. The meaning of the number 11 in Maths: Is it Prime? Factorization and prime factors tree. The square root and cube root of 11. What is 11 in computer science, numerology, codes and images, writing and naming in other languages. Other interesting facts, news related to 11.

What is 11 in other units

The decimal (Arabic) number 11 converted to a Roman number is XI. Roman and decimal number conversions.
The number 11 converted to a Mayan number is mayan number 11
Decimal and Mayan number conversions.

Weight conversion


11 kilograms (kg) = 24.3 pounds (lbs)
11 pounds (lbs) = 5.0 kilograms (kg)

Length conversion


11 kilometers (km) equals to 6.835 miles (mi).
11 miles (mi) equals to 17.703 kilometers (km).
11 meters (m) equals to 17.703 feet (ft).
11 feet (ft) equals 3.353 meters (m).
11 centimeters (cm) equals to 4.3 inches (in).
11 inches (in) equals to 27.9 centimeters (cm).

Temperature conversion


11° Fahrenheit (°F) equals to -11.7° Celsius (°C)
11° Celsius (°C) equals to 51.8° Fahrenheit (°F)

Power conversion


11 Horsepower (hp) equals to 8.09 kilowatts (kW)
11 kilowatts (kW) equals to 14.96 horsepower (hp)

Codes and images of the number 11

Number 11 morse code: .---- .----
Sign language for number 11:
Sign language for number 11 Sign language for number 11
Number 11 in braille:
Number 11 in braille
Images of the number
Image (1) of the numberImage (2) of the number
Number 11 black image Number 11 red image
More images, other sizes, codes and colors ...

Number 11 infographic


Year 11 AD

  • TheYellow River overflowed it's banks, leaving millions homeless and creating a widespread famine in the Chinese Empire.
  • In the year 11 AD, Augustus put a ban on individual consultation of astrologers.
  • Drusilla, daughter of Germanicus and Agrippina the younger was born in the year 11 AD.
  • Tiberius weds Julia Caesaris.
  • Marcus Antistius Labeo prominent Roman jurist died.
  • Artabanus III of the Arsacid Dynasty becomes ruler of Parthia

Gregorian, Hebrew, Islamic, Persian and Buddhist Year (Calendar)

Gregorian year 11 is Buddhist year 554.
Buddhist year 11 is Gregorian year 532 a. C.
Gregorian year 11 is Islamic year -630 or -629.
Islamic year 11 is Gregorian year 632 or 633.
Gregorian year 11 is Persian year -612 or -611.
Persian year 11 is Gregorian 632 or 633.
Gregorian year 11 is Hebrew year 3771 or 3772.
Hebrew year 11 is Gregorian year 3749 a. C.
The Buddhist calendar is used in Sri Lanka, Cambodia, Laos, Thailand, and Burma. The Persian calendar is the official calendar in Iran and Afghanistan.

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Mathematics of no. 11

Multiplications

Multiplication table of 11


11 multiplied by two equals 22 (11 x 2 = 22).
11 multiplied by three equals 33 (11 x 3 = 33).
11 multiplied by four equals 44 (11 x 4 = 44).
11 multiplied by five equals 55 (11 x 5 = 55).
11 multiplied by six equals 66 (11 x 6 = 66).
11 multiplied by seven equals 77 (11 x 7 = 77).
11 multiplied by eight equals 88 (11 x 8 = 88).
11 multiplied by nine equals 99 (11 x 9 = 99).
show multiplications by 6, 7, 8, 9 ...

Fractions: decimal fraction and common fraction

Fraction table of 11


Half of 11 is 5,5 (11 / 2 = 5,5 = 5 1/2).
One third of 11 is 3,6667 (11 / 3 = 3,6667 = 3 2/3).
One quarter of 11 is 2,75 (11 / 4 = 2,75 = 2 3/4).
One fifth of 11 is 2,2 (11 / 5 = 2,2 = 2 1/5).
One sixth of 11 is 1,8333 (11 / 6 = 1,8333 = 1 5/6).
One seventh of 11 is 1,5714 (11 / 7 = 1,5714 = 1 4/7).
One eighth of 11 is 1,375 (11 / 8 = 1,375 = 1 3/8).
One ninth of 11 is 1,2222 (11 / 9 = 1,2222 = 1 2/9).
show fractions by 6, 7, 8, 9 ...

Calculator

11

Advanced math operations

Is Prime?


The number 11 is a prime number. The closest prime numbers are 7, 13.
The 11st prime number in order is 31.

Factorization and factors (dividers)


The prime factors of 11
Prime numbers have no prime factors smaller than themselves.
The factors of 11 are 1, 11.
Total factors 2.
Sum of factors 12 (1).

Prime factor tree


11 is a prime number.

Powers


The second power of 112 is 121.
The third power of 113 is 1.331.

Roots


The square root √11 is 3,316625.
The cube root of 311 is 2,22398.

Logarithms


The natural logarithm of No. ln 11 = loge 11 = 2,397895.
The logarithm to base 10 of No. log10 11 = 1,041393.
The Napierian logarithm of No. log1/e 11 = -2,397895.

Trigonometric functions

The cosine of 11 is 0,004426.
The sine of 11 is -0,99999.
The tangent of 11 is -225,950846.

Number 11 in Computer Science

Code typeCode value
Port 11/TCP, UDPSYSTAT protocol
Unix timeUnix time 11 is equal to Thursday Jan. 1, 1970, 12:11 a.m. GMT
IPv4, IPv6Number 11 internet address in dotted format v4 0.0.0.11, v6 ::b
11 Binary= 3 Decimal
11 Decimal = 1011 Binary
11 Decimal = 102 Ternary
11 Decimal = 13 Octal
11 Decimal = B Hexadecimal (0xb hex)
11 BASE64MTE=
11 MD56512bd43d9caa6e02c990b0a82652dca
11 SHA117ba0791499db908433b80f37c5fbc89b870084b
11 SHA224161a68601ec1d8ca45250557cff3ffb98eca53fbcf86bbdb8e8bb6e7
11 SHA2564fc82b26aecb47d2868c4efbe3581732a3e7cbcc6c2efb32062c08170a05eeb8
11 SHA3849b20aa6472eef4fd186d231637b1c1d55a5a434cc9130d6afcaaf486253a20c23a4eaeea419594c17f46bc53c7cee12e
More SHA codes related to the number 11 ...

If you know something interesting about the 11 number that you did not find on this page, do not hesitate to write us here.

Numerology 11

Numerology number 11: what does it mean spiritually?

We understand all aspects of our existence through numerology by simplifying sacred numbers and applying them to every aspect of our lives. We can all understand and explain our love lives, careers, business, and health in mathematical terms as well as our friendships, spirituality, leisure habits, and personalities.


11Hz Wish Fulfillment

Manifest Your Dreams, Connecting With Angels, You are never alone.

The universe is made up of ten fundamental numbers, 0 through 9. There are also 20 master numbers, which are considered to be in the universe. These master numbers include the number 11. It is different from the number 1 and 2. After all, it is stronger because it combines the qualities of both.

Read more ...

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

Character frequency 1: 2

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 the number 1 (one), numerology 1 ...

Interesting facts about the number 11

Asteroids

  • (11) Parthenope is asteroid number 11. It was discovered by A. de Gasparis from Obs. Capodimonte Astronomical on 5/11/1850.

Aircrafts and flights

  • 09/11/2001 the American Airlines plane, flight number 11, Boeing 767-223ER crashed in New York City, US 81 passengers and 11 crew members died.
  • 11/27/1983 the Avianca plane, flight number 011, Boeing 747-283B crashed in Madrid, Spain 162 passengers and 19 crew members died.

Areas, mountains and surfaces

  • The total area of Sulawesi is 69,761 square miles (180,681 square km). Country Indonesia (Gorontalo and Central, North, South, Southeast and West Sulawesi). 11th largest island in the world.

Astrology

Games

  • Pokémon Metapod (Toranseru, Trancell) is a pokémon number # 011 of the National Pokédex. Metapod is a bug-type Pokémon in the first generation. It is a Pokémon from the Bug Egg group. The other Metapod indexes are Kalos Centro index 024 - Central Zone Pokédex, Johto index 025 .

History and politics

  • United Nations Security Council Resolution number 11, adopted 15 November 1946. Switzerland and the International Court of Justice. Resolution text.
  • 11 Downing Street The address of the UK Chancellor of the Treasury's London residence.

In other fields

  • September 11 is La Diada Nacional de Catalunya or Diada.
  • The attacks of September 11, 2001 (commonly referred to as 9/11 or 9/11) were a series of suicide terrorist attacks committed that day in the United States.
  • The attacks of March 11, 2004, known by the number 11M, were a series of terrorist attacks on four trains of the Madrid Cercanías network.
  • If you dream of the number 11 you should keep in mind that it symbolizes that the universe will help you face trials.

Mathematics

  • 11 is the smallest prime such that 2p-1 is not prime
  • 11 is the largest number which is not expressible as the sum of two composite numbers
  • 11 is the only prime comprising an even number of identical digits
  • 11 is the largest known multiplicative persistence.

Music

  • '11: 11 'is a song by the Canadian-American singer Rufus Wainwright or the South Korean singer Taeyeon.
  • '11' is a song by the American singer-songwriter Cassadee Pope.

Science

  • Sodium is the chemical element in the periodic table that has the symbol Na and atomic number 11.

Sports

  • The best athletes to wear number 11
    Isaiah Thomas, NBA; Mark Messier, NHL; Elvin Hayes, NBA; Yao Ming, NBA; Cale Yarborough, NASCAR; Teresa Weatherspoon, WNBA

Superstitions

  • New spiritual trends claim that 11:11 on a clock refers to the signs of protectors or spirit guides.

№ 11 in other languages

How to say or write the number eleven in Spanish, German, French and other languages.
Spanish: 🔊 (número 11)

once

German: 🔊 (Nummer 11)

elf

French: 🔊 (nombre 11)

onze

Portuguese: 🔊 (número 11)

onze

Hindi: 🔊 (संख्या 11)

ग्यारह

Chinese: 🔊 (数 11)

十一

Arabian: 🔊 (عدد 11)

أحد عشر

Czech: 🔊 (číslo 11)

jedenáct

Korean: 🔊 (번호 11)

십일

Danish: 🔊 (nummer 11)

elleve

Hebrew: (מספר 11)

אחת עשרה

Dutch: 🔊 (nummer 11)

elf

Japanese: 🔊 (数 11)

十一

Indonesian: 🔊 (jumlah 11)

sebelas

Italian: 🔊 (numero 11)

undici

Norwegian: 🔊 (nummer 11)

elleve

Polish: 🔊 (liczba 11)

jedenaście

Russian: 🔊 (номер 11)

одиннадцать

Turkish: 🔊 (numara 11)

onbir

Thai: 🔊 (จำนวน 11)

สิบเอ็ด

Ukrainian: 🔊 (номер 11)

одинадцять

Vietnamese: 🔊 (con số 11)

mười một

Other languages ...

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Frequently asked questions about the number 11

  • Is 11 prime and why?

    The number 11 is a prime number because its divisors are: 1, 11.

  • How do you write the number 11 in words?

    11 can be written as "eleven".

Number 11 in News

The Sydney Morning Herald: One passenger in serious condition, 11 in hospital after plane drops in midair
Ambulances met the plane on the Auckland tarmac and treated at least 50 people who were injured during a “drop” mid-flight.
March 11, 2024
NyTimes: An Israeli strike near a hospital in Rafah killed at least 11 people, Gaza health officials say.
Dozens of other displaced Palestinians who had been sheltering nearby were also injured, the officials said.
March 3, 2024
NASA: NASA Selects 11 Space Biology Research Projects to Inform Biological Research During Future Lunar Exploration Missions
NASA announces the award of eleven grants or cooperative agreements for exciting new Space Biology research that will advance NASA’s understanding of how exposure to lunar dust/regolith impact both plant and animal systems. As human exploration prepares to go beyond Earth Orbit, Space Biology is advancing its research priorities towards …
Nov. 21, 2023
BBC: Israel Gaza: Father loses 11 family members in one blast
Mr Khader was working at a hospital on 20 October when 11 of his family members were killed.
Oct. 31, 2023
France24: Belgium's Philipsen marks fourth win at Tour de France with stage 11 victory
Belgian Jasper Philipsen sprinted to his fourth stage win on this year's Tour de France with a powerful last burst on stage 11 from Clermont-Ferrand to Moulins.
July 12, 2023

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