Number 9 facts
The odd number 9 is spelled 🔊, and written in words: nine. The ordinal number 9th is said 🔊 and written as: ninth. The meaning of the number 9 in Maths: Is it Prime? Factorization and prime factors tree. The square root and cube root of 9. What is 9 in computer science, numerology, codes and images, writing and naming in other languages. Other interesting facts, videos, news related to 9.
What is 9 in other units
|The number 9 converted to a Mayan number is|
|Decimal and Mayan number conversions.|
9 kilograms (kg) = 19.8 pounds (lbs)
9 pounds (lbs) = 4.1 kilograms (kg)
9 kilometers (km) equals to 5.592 miles (mi).
9 miles (mi) equals to 14.484 kilometers (km).
9 meters (m) equals to 14.484 feet (ft).
9 feet (ft) equals 2.743 meters (m).
9 centimeters (cm) equals to 3.5 inches (in).
9 inches (in) equals to 22.9 centimeters (cm).
9° Fahrenheit (°F) equals to -12.8° Celsius (°C)
9° Celsius (°C) equals to 48.2° Fahrenheit (°F)
9 Horsepower (hp) equals to 6.62 kilowatts (kW)
9 kilowatts (kW) equals to 12.24 horsepower (hp)
Sign language for number 9:
Number 9 in braille:
|Images of the number|
|Image (1) of the number||Image (2) of the number|
|More images, other sizes, codes and colors ...|
Number 9 infographic
Photo of number 9
Year 9 AD
- Vespasian, Roman emperor was born in the year 9 AD
- Publius Quinctilius Varus, Roman general died.
- Ovid is banished to Tomis.
- Pannonia becomes a Roman province.
- The Catuvellauni attack the Trinovantes and capture Camulodunum.
- Wang Mang usurped the Chinese throne and ended Han rule.
Gregorian, Hebrew, Islamic, Persian and Buddhist Year (Calendar)Gregorian year 9 is Buddhist year 552.
Buddhist year 9 is Gregorian year 534 a. C.
Gregorian year 9 is Islamic year -632 or -631.
Islamic year 9 is Gregorian year 630 or 631.
Gregorian year 9 is Persian year -614 or -613.
Persian year 9 is Gregorian 630 or 631.
Gregorian year 9 is Hebrew year 3769 or 3770.
Hebrew year 9 is Gregorian year 3751 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. 9
Multiplication table of 9
9 multiplied by two equals 18 (9 x 2 = 18).
9 multiplied by three equals 27 (9 x 3 = 27).
9 multiplied by four equals 36 (9 x 4 = 36).
9 multiplied by five equals 45 (9 x 5 = 45).
9 multiplied by seven equals 63 (9 x 7 = 63).
9 multiplied by eight equals 72 (9 x 8 = 72).
9 multiplied by nine equals 81 (9 x 9 = 81).
Fractions: decimal fraction and common fraction
Fraction table of 9
Half of 9 is 4,5 (9 / 2 = 4,5 = 4 1/2).
One third of 9 is 3 (9 / 3 = 3).
One quarter of 9 is 2,25 (9 / 4 = 2,25 = 2 1/4).
One fifth of 9 is 1,8 (9 / 5 = 1,8 = 1 4/5).
One seventh of 9 is 1,2857 (9 / 7 = 1,2857 = 1 2/7).
One eighth of 9 is 1,125 (9 / 8 = 1,125 = 1 1/8).
One ninth of 9 is 1 (9 / 9 = 1).
Advanced math operations
The number 9 is not a prime number. The closest prime numbers are 7, 11.
The 9th prime number in order is 23.
Factorization and factors (dividers)
The prime factors of 9 are 32 or 3^2 or 3**2
The factors of 9 are 1, 3, 9.
Total factors 3.
Sum of factors 13 (4).
Prime factor tree
The second power of 92 is 81.
The third power of 93 is 729.
The square root √9 is 3 exact square root.
The cube root of 3√9 is 2,080084.
The natural logarithm of No. ln 9 = loge 9 = 2,197225.
The logarithm to base 10 of No. log10 9 = 0,954243.
The Napierian logarithm of No. log1/e 9 = -2,197225.
Trigonometric functionsThe cosine of 9 is -0,91113.
The sine of 9 is 0,412118.
The tangent of 9 is -0,452316.
Properties of the number 9
More math properties ...
Number 9 in Computer Science
|Code type||Code value|
|Port 9/TCP, UDP||DISCARD protocol|
|Unix time||Unix time 9 is equal to Thursday Jan. 1, 1970, 12:09 a.m. GMT|
|IPv4, IPv6||Number 9 internet address in dotted format v4 0.0.0.9, v6 ::9|
|9 Decimal||= 1001 Binary|
|9 Decimal||= 100 Ternary|
|9 Decimal||= 11 Octal|
|9 Decimal||= 9 Hexadecimal (0x9 hex)|
|More SHA codes related to the number 9 ...|
If you know something interesting about the 9 number that you did not find on this page, do not hesitate to write us here.
9 Hz Infinite Healing Golden WaveVibration of 5 Dimension Frequency. Positive Energy.
The number 9 (nine) must discover its inner quality and develop the nobility of the soul. It is the experience of all the previous integrated energies. If you are a nine (9), you came to manifest integrity and wisdom in the world. But first you need to find high principles for yourself, your life purpose. There are two such personalities: pessimists or eternal optimists. Read more ...
Interesting facts about the number 9
Areas, mountains and surfaces
- The total area of Great Britain is 80,823 square miles (209,331 square km). Country United Kingdom (England, Scotland and Wales). 9th largest island in the world.
- It is one of the lucky numbers for the zodiac sign Leo and Sagittarius.
- What is astrology and what is it for?
Astronomy and space
- (9) Metis is asteroid number 9. Was discovered by A. Graham from Observatorio Markree 4/25/1848.
- The Falcon 9 is a two-stage rocket powered by densified liquid oxygen (LOX) and rocket kerosene (RP-1), manufactured by SpaceX. Its current version, the Falcon 9 Full Thrust, has a payload of 22,800 kg in low Earth orbit and 8,300 kg in geosynchronous transfer orbit. The first stage is capable of landing to be reused, either returning to land or on a barge.
History and politics
- United Nations Security Council Resolution number 9, adopted 15 October 1946. Jurisdiction of the International Court of Justice. Resolution text.
- 9 is the smallest odd composite number
- 9 is the only number (except one) which is equal to the sum of the digits of its square
- 9 is the only non-trivial square consisting of only odd digits
- 9 is the maximum number of cubes that are needed to sum to any positive integer.
- Nine Inch Nails (abbreviated NIN and stylized NIИ) is an American industrial rock band founded in 1988 by Trent Reznor in Cleveland, Ohio, United States. Although fans claim that the name is in reference to the length of the nails used in the crucifixion of Jesus Christ or the inches of Freddy Krueger's nails, Trent Reznor has said that he chose the name "because it was easy to abbreviate."
- '9 Crimes', in Spanish '9 crimes', is the first single from Damien Rice's album 9.
- '9mm' (clean version titled 'Speaker') is the first single from David Banner's fifth album, The Greatest Story Ever Told.
- '9 Piece', in Spanish '9 Pieces', is a song by American rapper Rick Ross.
- '9 Shots', in Spanish '9 shots', is a song by the American hip hop recording artist 50 Cent.
- '9' is a song by Canadian rapper and singer Drake.
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- '9 Lives', in Spanish '9 Lives', is a song recorded by Romanian recording artist Alexandra Stan.
- Fluorine is the chemical element in the periodic table that has the symbol F and atomic number 9.
- The best athletes to wear number 9
Ted Williams, MLB; Gordie Howe, NHL; Bob Pettit, NBA; Bill Elliott, NASCAR; Rocket Richard, NHL; Bobby Hull, NHL; Drew Brees, NFL; Roger Maris, MLB
- The number 9 in Japan is pronounced "ku" which coincides with "suffering" and is considered disastrous for the same.
Tv, movies and cinematography
- 9 - Official Trailer
- Movie: 9 Days (Bad Company) Year: 2002 Length: 116 Director: Joel Schumacher With: Anthony Hopkins; Chris Rock
- The 9 × 19 mm Parabellum (abbreviated as 9 mm), is a cartridge for pistols, submachine guns and carbines designed by Georg Luger and introduced in 1902, for his semi-automatic Parabellum pistol.
Please write usIf you know something interesting about the number 9 or any natural number (positive integer), please write to us.
№ 9 in other languages
|Spanish:||🔊 (número 9)|
|German:||🔊 (Nummer 9)|
|French:||🔊 (nombre 9)|
|Portuguese:||🔊 (número 9)|
|Hindi:||🔊 (संख्या 9)|
|Chinese:||🔊 (数 9)|
|Arabian:||🔊 (عدد 9)|
|Czech:||🔊 (číslo 9)|
|Korean:||🔊 (번호 9)|
|Danish:||🔊 (nummer 9)|
|Dutch:||🔊 (nummer 9)|
|Japanese:||🔊 (数 9)|
|Indonesian:||🔊 (jumlah 9)|
|Italian:||🔊 (numero 9)|
|Norwegian:||🔊 (nummer 9)|
|Polish:||🔊 (liczba 9)|
|Russian:||🔊 (номер 9)|
|Turkish:||🔊 (numara 9)|
|Thai:||🔊 (จำนวน 9)|
|Ukrainian:||🔊 (номер 9)|
|Vietnamese:||🔊 (con số 9)|
|Other languages ...|
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Number 9 in News
|The Sydney Morning Herald: Irish-Israeli girl, 9, among hostages released by Hamas
Emily Hand, who turned nine in captivity, was initially thought to have been killed by Hamas in its rampage through Kibbutz Be’eri, where she lives.
Nov. 26, 2023
|BBC: Irish-Israeli girl Emily Hand, 9, among latest freed hostages
The nine-year-old Irish-Israeli is one of 17 released on Saturday night under a Hamas-Israel deal.
Nov. 25, 2023
|BBC: Burry Port boy, 9, thanks RNLI lifeboat crew who saved him
Dexter was rescued by RLNI volunteers after he found himself out of his depth at sea.
Aug. 23, 2023
|NyTimes: Man Who Questioned Gender of Girl, 9, Spurs Outrage
A track and field event in British Columbia has engendered debate about transphobia in Canada.
June 14, 2023