Number 73 facts

The odd number 73 is spelled 🔊, and written in words: seventy-three. The ordinal number 73rd is said 🔊 and written as: seventy-third. The meaning of the number 73 in Maths: Is it Prime? Factorization and prime factors tree. The square root and cube root of 73. What is 73 in computer science, numerology, codes and images, writing and naming in other languages. Other interesting facts, comments (1), news related to 73.

Interesting facts about the number 73


  • (73) Klytia is asteroid number 73. It was discovered by H. P. Tuttle from Harvard College Observatory on 4/7/1862.

Areas, mountains and surfaces

  • The total area of Mindoro is 4,082 square miles (10,572 square km). Country Philippines (Mimaropa). 73th largest island in the world.
  • The total area of Haiti is 10,710 square miles (27,750 km²) and the water area is 73 square miles (190 km²) and the land area is 10,640 square miles (27,560 km²).

Distances between cities

  • There is a 73 miles (116 km) direct distance between Baotou (China) and Ordos (China).
  • There is a 73 miles (116 km) direct distance between Daegu (South Korea) and Daejeon (South Korea).
  • There is a 46 miles (73 km) direct distance between Farīdābād (India) and Meerut (India).
  • There is a 73 miles (117 km) direct distance between Ibadan (Nigeria) and Lagos (Nigeria).
  • More distances between cities ...
  • There is a 73 miles (117 km) direct distance between Pingdingshan (China) and Zhengzhou (China).
  • There is a 73 miles (117 km) direct distance between Shanghai (China) and Wuxi (China).


  • Pokémon Tentacruel (Dokukurage) is a Pokémon number # 073 of the National Pokédex. Tentacruel is water and poison type Pokémon in the first generation. It is a Water 3 egg group Pokémon. Tentacruel's other indexes are Johto index 163 , Hoenn index 067 , Kalos Centro index 026 - Coastal Zone Pokédex, Sinnoh index 137 .

History and politics

  • United Nations Security Council Resolution number 73, adopted 11 August 1949. Armistice agreements in Palestine. Resolution text.


  • 73 is the largest integer with the property that all permutations of all its substrings are primes
  • 73 is the smallest prime whose square (5329) is the concatenation of two multi-digit primes
  • 73 is the smallest multi-digit number which is one less than twice its reverse.


  • Tantalum is the chemical element in the periodic table that has the symbol Ta and atomic number 73.


  • The best athletes to wear number 73
    John Hannah, NFL; Ron Yary, NFL; Larry Allen, NFL

Tv, movies and cinematography

  • Winchester '73 is a 1950 American film belonging to the western genre, directed by Anthony Mann and starring James Stewart, Shelley Winters and Stephen McNally. The film was released in the United States on July 12, 1950 and in Spain on November 6, 1950. It was a box office success. According to Espinof, the film, like the rifle from which it takes its title, is unique and has an incredible power of fascination, with which Mann achieves a masterpiece.

What is 73 in other units

The decimal (Arabic) number 73 converted to a Roman number is LXXIII. Roman and decimal number conversions.
The number 73 converted to a Mayan number is mayan number 73
Decimal and Mayan number conversions.

Weight conversion

73 kilograms (kg) = 160.9 pounds (lbs)
73 pounds (lbs) = 33.1 kilograms (kg)

Length conversion

73 kilometers (km) equals to 45.360 miles (mi).
73 miles (mi) equals to 117.482 kilometers (km).
73 meters (m) equals to 117.482 feet (ft).
73 feet (ft) equals 22.251 meters (m).
73 centimeters (cm) equals to 28.7 inches (in).
73 inches (in) equals to 185.4 centimeters (cm).

Temperature conversion

73° Fahrenheit (°F) equals to 22.8° Celsius (°C)
73° Celsius (°C) equals to 163.4° Fahrenheit (°F)

Power conversion

73 Horsepower (hp) equals to 53.68 kilowatts (kW)
73 kilowatts (kW) equals to 99.27 horsepower (hp)

Time conversion

(hours, minutes, seconds, days, weeks)
73 seconds equals to 1 minute, 13 seconds
73 minutes equals to 1 hour, 13 minutes

Codes and images of the number 73

Number 73 morse code: --... ...--
Sign language for number 73:
Sign language for number 73 Sign language for number 73
Number 73 in braille:
Number 73 in braille
Images of the number
Image (1) of the numberImage (2) of the number
Number 73 black image Number 73 red image
More images, other sizes, codes and colors ...

Number 73 infographic

Year 73 AD

Roman legions overran the last stronghold of the Jewish insurrection. The defenders of Massada preferred death over defeat and exile.

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

Gregorian year 73 is Buddhist year 616.
Buddhist year 73 is Gregorian year 470 a. C.
Gregorian year 73 is Islamic year -566 or -565.
Islamic year 73 is Gregorian year 692 or 693.
Gregorian year 73 is Persian year -550 or -549.
Persian year 73 is Gregorian 694 or 695.
Gregorian year 73 is Hebrew year 3833 or 3834.
Hebrew year 73 is Gregorian year 3687 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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Advanced math operations

Is Prime?

The number 73 is a prime number. The closest prime numbers are 71, 79.
The 73rd prime number in order is 367.

Factorization and factors (dividers)

The prime factors of 73
Prime numbers have no prime factors smaller than themselves.
The factors of 73 are 1, 73.
Total factors 2.
Sum of factors 74 (1).

Prime factor tree

73 is a prime number.


The second power of 732 is 5.329.
The third power of 733 is 389.017.


The square root √73 is 8,544004.
The cube root of 373 is 4,179339.


The natural logarithm of No. ln 73 = loge 73 = 4,290459.
The logarithm to base 10 of No. log10 73 = 1,863323.
The Napierian logarithm of No. log1/e 73 = -4,290459.

Trigonometric functions

The cosine of 73 is -0,736193.
The sine of 73 is -0,676772.
The tangent of 73 is 0,919286.

Number 73 in Computer Science

Code typeCode value
ASCII HtmlI Uppercase I I
(ISO 8859-1 Characters)
Unix timeUnix time 73 is equal to Thursday Jan. 1, 1970, 12:01:13 a.m. GMT
IPv4, IPv6Number 73 internet address in dotted format v4, v6 ::49
73 Decimal = 1001001 Binary
73 Decimal = 2201 Ternary
73 Decimal = 111 Octal
73 Decimal = 49 Hexadecimal (0x49 hex)
73 BASE64NzM=
73 MD5d2ddea18f00665ce8623e36bd4e3c7c5
73 SHA135e995c107a71caeb833bb3b79f9f54781b33fa1
73 SHA22429795667838b5a17a689b60480fb33be85c7ed120a88e799c6e303f5
73 SHA25696061e92f58e4bdcdee73df36183fe3ac64747c81c26f6c83aada8d2aabb1864
73 SHA384c4d4809011f12b4258f0e8816768bc73936e8c4e610a2fc1a850b6b08ed50498a917829c7d2513f8c21e5d77bcf5f162
More SHA codes related to the number 73 ...

If you know something interesting about the 73 number that you did not find on this page, do not hesitate to write us here.

Numerology 73

The meaning of the number 7 (seven), numerology 7

Character frequency 7: 1

The number 7 (seven) is the sign of the intellect, thought, psychic analysis, idealism and wisdom. This number first needs to gain self-confidence and to open his/her life and heart to experience trust and openness in the world. And then you can develop or balance the aspects of reflection, meditation, seeking knowledge and knowing.
More about the the number 7 (seven), numerology 7 ...

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 good communication skills.
More about the the number 3 (three), numerology 3 ...

№ 73 in other languages

How to say or write the number seventy-three in Spanish, German, French and other languages.
Spanish: 🔊 (número 73)

setenta y tres

German: 🔊 (Nummer 73)


French: 🔊 (nombre 73)


Portuguese: 🔊 (número 73)

setenta e três

Hindi: 🔊 (संख्या 73)


Chinese: 🔊 (数 73)


Arabian: 🔊 (عدد 73)

ثلاثة و سبعون

Czech: 🔊 (číslo 73)

sedmdesát tři

Korean: 🔊 (번호 73)


Danish: 🔊 (nummer 73)


Hebrew: (מספר 73)

שבעים ושלוש

Dutch: 🔊 (nummer 73)


Japanese: 🔊 (数 73)


Indonesian: 🔊 (jumlah 73)

tujuh puluh tiga

Italian: 🔊 (numero 73)


Norwegian: 🔊 (nummer 73)


Polish: 🔊 (liczba 73)

siedemdziesiąt trzy

Russian: 🔊 (номер 73)

семьдесят три

Turkish: 🔊 (numara 73)


Thai: 🔊 (จำนวน 73)


Ukrainian: 🔊 (номер 73)

сімдесят три

Vietnamese: 🔊 (con số 73)

bảy mươi ba

Other languages ...

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Michael hamann   March 10, 2023
The 73rd day of the year is also national Pi day usually.

Frequently asked questions about the number 73

  • Is 73 prime and why?

    The number 73 is a prime number because its divisors are: 1, 73.

  • How do you write the number 73 in words?

    73 can be written as "seventy-three".

Number 73 in News

BBC: US war hero's remains returned home after 73 years
Cpl Luther Herschel Story died in the Korean War in 1950. His family is finally burying his remains.
May 29, 2023
France24: At least 73 migrants die in shipwreck off Syrian coast
At least 73 migrants have likely drowned while 20 others were rescued, after their boat sank off Syria's coast on its way from neighbouring Lebanon. The death toll is expected to rise in what is believed to be the deadliest shipwreck in the region in recent years.
Sept. 23, 2022
The Sydney Morning Herald: Fukushima tsunami alert issued after 7.3 earthquake jolts Japan
Several people died and dozens were injured in the tremor that occurred in the same region devastated 11 years ago.
March 17, 2022
CNN: Dozens killed in India after heavy flooding and record rainfall
Record-breaking rains and heavy flooding have killed at least 73 people in India this week, according to disaster management officials.
Oct. 20, 2021
NyTimes: School Attendance Falls for Homeless Students in N.Y.C.
Attendance rates for students living in shelters fell to just 73 percent in the first few weeks of the new school year, compared with around 90 percent for all students.
Oct. 19, 2021

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