Number 25 facts

The odd number 25 is spelled 🔊, and written in words: twenty-five. The ordinal number 25th is said 🔊 and written as: twenty-fifth. The meaning of the number 25 in Maths: Is it Prime? Factorization and prime factors tree. The square root and cube root of 25. What is 25 in computer science, numerology, codes and images, photo art, writing and naming in other languages. Other interesting facts, videos, news related to 25. ‹‹ 24  26 ››

Interesting facts about the number 25

Number 25 - Photo Art

Asteroids

  • (25) Phocaea is asteroid number 25. It was discovered by J. Chacornac from Marseille Observatory on 4/6/1853.

Aircrafts and flights

  • 04/04/1963 the Aeroflot plane, flight number 25, Ilyushin Il-18 crashed in Urakhcha, Rybno-Slobodsky District, Tatarstan, Russia 59 passengers and 8 crew members died.

Areas, mountains and surfaces

  • The total area of Sri Lanka (main island) is 25,200 square miles (65,268 square km). Country Sri Lanka. 25th largest island in the world.

Astrology

Distances

  • There is a 25 miles (40 km) direct distance between Bekasi (Indonesia) and Tangerang (Indonesia).
  • There is a 16 miles (25 km) direct distance between Ciudad Nezahualcoyotl (Mexico) and Naucalpan de Juárez (Mexico).
  • There is a 16 miles (25 km) direct distance between Guarulhos (Brazil) and São Bernardo do Campo (Brazil).
  • There is a 25 miles (40 km) direct distance between Huaibei (China) and Tongshan (China).
  • More distances ...
  • There is a 25 miles (40 km) direct distance between Changshu City (China) and Suzhou (China).
  • There is a 25 miles (40 km) direct distance between Chiba (Japan) and Tokyo (Japan).
  • There is a 25 miles (40 km) direct distance between Jieyang (China) and Shantou (China).

Games

  • Pokémon Pikachu (Pikachū) is a pokémon number # 025 of the National Pokédex. Pikachu is an electric type Pokémon in the first generation. It is a Pokémon from the egg group Field and Fairy. The other Pikachu indexes are Sinnoh index 104 , Johto index 022 , Hoenn index 156 , Kalos Centro index 036 - Central Zone Pokédex.

History and politics

  • United Nations Security Council Resolution number 25, adopted 23 May 1947. Admission of Italy. Resolution text.

In other fields

  • More than 25% of the world's forests are in Siberia.
  • A 25-year wedding anniversary is called the Silver Wedding.
  • On October 25, World Pasta Day is celebrated.
  • December 25 is Christmas.
  • 25 years is the minimum age to be a candidate for the United States Congress.

Mathematics

  • 25 is the 4th centered square number

    Example of 4th centered square number with 25 dots.
  • 25 is the only prime square whose digits are all prime
  • 25 is the smallest aspiring number
  • 25 is the smallest square that can be written as a sum of 2 positive squares.

Music

  • The Pretty Reckless - 25 (Official Music Video)
  • '25 Lighters ', in Spanish '25 Lighters', is a song by Z-Ro.
  • '25 to Life 'is a song by the American rapper Eminem.

Science

  • Manganese is the chemical element in the periodic table that has the symbol Mn and atomic number 25.

Sports

  • The best athletes to wear number 25
    Barry Bonds, MLB; Fred Biletnikoff, NFL; Mark McGwire, MLB; K.C. Jones, NBA

What is 25 in other units

The decimal (Arabic) number 25 converted to a Roman number is XXV. Roman and decimal number conversions.
The number 25 converted to a Mayan number is mayan number 25
Decimal and Mayan number conversions.

Weight conversion


25 kilograms (kg) = 55.1 pounds (lbs)
25 pounds (lbs) = 11.3 kilograms (kg)

Length conversion


25 kilometers (km) equals to 15.534 miles (mi).
25 miles (mi) equals to 40.234 kilometers (km).
25 meters (m) equals to 40.234 feet (ft).
25 feet (ft) equals 7.620 meters (m).
25 centimeters (cm) equals to 9.8 inches (in).
25 inches (in) equals to 63.5 centimeters (cm).

Temperature conversion


25° Fahrenheit (°F) equals to -3.9° Celsius (°C)
25° Celsius (°C) equals to 77° Fahrenheit (°F)

Power conversion


25 Horsepower (hp) equals to 18.38 kilowatts (kW)
25 kilowatts (kW) equals to 34.00 horsepower (hp)

Codes and images of the number 25

Number 25 morse code: ..--- .....
Sign language for number 25:
Sign language for number 25 Sign language for number 25
Number 25 in braille:
Number 25 in braille
Images of the number
Image (1) of the numberImage (2) of the number
Number 25 black image Number 25 red image
More images, other sizes, codes and colors ...

Number 25 infographic


Year 25 AD

  • Aulus Cremutius Cordus, Roman historian, died.
  • Luoyang became the capital of the Eastern Han Dynasty.

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

Gregorian year 25 is Buddhist year 568.
Buddhist year 25 is Gregorian year 518 a. C.
Gregorian year 25 is Islamic year -615 or -614.
Islamic year 25 is Gregorian year 645 or 646.
Gregorian year 25 is Persian year -598 or -597.
Persian year 25 is Gregorian 646 or 647.
Gregorian year 25 is Hebrew year 3785 or 3786.
Hebrew year 25 is Gregorian year 3735 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.

Share in social networks

share facebook linkedin pinterest twitter blogger enlace favorites

Advanced math operations

Is Prime?


The number 25 is not a prime number. The closest prime numbers are 23, 29.
The 25th prime number in order is 97.

Factorization and factors (dividers)


The prime factors of 25 are 52 or 5^2 or 5**2
The factors of 25 are 1, 5, 25.
Total factors 3.
Sum of factors 31 (6).

Prime factor tree


Powers


The second power of 252 is 625.
The third power of 253 is 15.625.

Roots


The square root √25 is 5 exact square root.
The cube root of 325 is 2,924018.

Logarithms


The natural logarithm of No. ln 25 = loge 25 = 3,218876.
The logarithm to base 10 of No. log10 25 = 1,39794.
The Napierian logarithm of No. log1/e 25 = -3,218876.

Trigonometric functions

The cosine of 25 is 0,991203.
The sine of 25 is -0,132352.
The tangent of 25 is -0,133526.

Number 25 in Computer Science

Code typeCode value
Port 25/TCP, UDPSMTP (Simple Mail Transport Protocol) - used for email routing between email servers
Unix timeUnix time 25 is equal to Thursday Jan. 1, 1970, 12:25 a.m. GMT
IPv4, IPv6Number 25 internet address in dotted format v4 0.0.0.25, v6 ::19
25 Decimal = 11001 Binary
25 Decimal = 221 Ternary
25 Decimal = 31 Octal
25 Decimal = 19 Hexadecimal (0x19 hex)
25 BASE64MjU=
25 MD58e296a067a37563370ded05f5a3bf3ec
25 SHA1f6e1126cedebf23e1463aee73f9df08783640400
25 SHA22476b8d44676fed57eb0e3627eff69165c9ea9788ad0e832560d48a146
25 SHA256b7a56873cd771f2c446d369b649430b65a756ba278ff97ec81bb6f55b2e73569
25 SHA38498398bf21142f0e52137b0853f31ebb4e45e0976b8e80ebb9d6579669b42583ade02da3858d712902673f8e9e30583f6
More SHA codes related to the number 25 ...

If you know something interesting about the 25 number that you did not find on this page, do not hesitate to write us here.

Numerology 25

According to Wikipedia, numerology is based on faith, yet many people seek the meaning of the number 25 from a numerological perspective.
More about numerology 25 ...

№ 25 in other languages

How to say or write the number twenty-five in Spanish, German, French and other languages.
Spanish: 🔊 (número 25)

veinticinco

German: 🔊 (Nummer 25)

fünfundzwanzig

French: 🔊 (nombre 25)

vingt-cinq

Portuguese: 🔊 (número 25)

vinte e cinco

Hindi: 🔊 (संख्या 25)

पच्चीस

Chinese: 🔊 (数 25)

二十五

Arabian: 🔊 (عدد 25)

خمسة و عشرون

Czech: 🔊 (číslo 25)

dvacet pět

Korean: 🔊 (번호 25)

이십오

Danish: 🔊 (nummer 25)

femogtyve

Hebrew: (מספר 25)

עשרים וחמש

Dutch: 🔊 (nummer 25)

vijfentwintig

Japanese: 🔊 (数 25)

二十五

Indonesian: 🔊 (jumlah 25)

dua puluh lima

Italian: 🔊 (numero 25)

venticinque

Norwegian: 🔊 (nummer 25)

tjue-fem

Polish: 🔊 (liczba 25)

dwadzieścia pięć

Russian: 🔊 (номер 25)

двадцать пять

Turkish: 🔊 (numara 25)

yirmibeş

Thai: 🔊 (จำนวน 25)

ยี่สิบห้า

Ukrainian: 🔊 (номер 25)

двадцять п'ять

Vietnamese: 🔊 (con số 25)

hai mươi lăm

Other languages ...

Comment

If you know something interesting about the number 25 or any other natural number (positive integer), please write to us here or on Facebook.

Name *


Comment (Maximum 2000 characters) *


  * Required fields
Legal Notices & Terms of Use
The content of the comments is the opinion of the users and not of number.academy. It is not allowed to pour comments contrary to the laws, insulting, illegal or harmful to third parties. Number.academy reserves the right to remove or not publish any inappropriate comment. It also reserves the right to publish a comment on another topic. Privacy Policy.

Comments

add new comment

There are no comments for this topic.

Frequently asked questions about the number 25

  • How do you write the number 25 in words?

    25 can be written as "twenty-five".

Number 25 in News

NASA: Student Art Murals at Johnson Celebrate 25 Years of Humanity in Space
Select walls at NASA’s Johnson Space Center have been transformed into works of art. Each piece reflects creativity, collaboration, and the spirit of discovery. Painted by Texas students, the murals honor the legacy of the International Space Station and 25 years of continuous human presence in space.  The International Space …
Dec. 3, 2025
NASA: The International Space Station Marks 25 Years of Continuous Human Presence
On Nov. 2, 2025, NASA honored 25 years of continuous human presence aboard the International Space Station. What began as a fragile framework of modules has evolved into a springboard for international cooperation, advanced scientific research and technology demonstrations, the development of a low Earth orbit economy, and NASA’s next …
Dec. 2, 2025
BBC: Puffins return to island for first time in at least 25 years
Puffins have been seen on the Isle of Muck off Antrim for the first time in at least 25 years ...
Nov. 14, 2025
BBC: What will Daniel Levy's legacy be as his Spurs era ends after almost 25 years?
Tottenham's success off the field under chairman Daniel Levy will always be overshadowed by failures on it, says chief football writer Phil McNulty.
Sept. 4, 2025
BBC: At least 25 dead after tornadoes sweep through US Midwest
Kentucky and Missouri report severe injuries and deaths in storms that hit on Friday and Saturday.
May 17, 2025

What is your opinion?

S