Number 28 facts
The even number 28 is spelled 🔊, and written in words: twenty-eight. The ordinal number 28th is said 🔊 and written as: twenty-eighth. The meaning of the number 28 in Maths: Is it Prime? Factorization and prime factors tree. The square root and cube root of 28. What is 28 in computer science, numerology, codes and images, photo art, writing and naming in other languages. Other interesting facts, videos, comments (1), news related to 28. ‹‹ 27 29 ››
Interesting facts about the number 28
More photos ...Asteroids
- (28) Bellona is asteroid number 28. It was discovered by K. T. R. Luther from Düsseldorf-Bilk Observatory on 3/1/1854.
Areas, mountains and surfaces
- The total area of Alexander Island is 18,950 square miles (49,070 square km). Country None (Antarctic territorial claims by Argentina (partial), Chile and United Kingdom). 28th largest island in the world.
Distances
- There is a 28 miles (45 km) direct distance between Bekasi (Indonesia) and Bogor (Indonesia).
- There is a 18 miles (28 km) direct distance between Delhi (India) and Farīdābād (India).
- There is a 18 miles (28 km) direct distance between Ecatepec (Mexico) and Iztapalapa (Mexico).
- There is a 28 miles (45 km) direct distance between Fukuoka-shi (Japan) and Kitakyūshū (Japan).
- More distances ...
- There is a 18 miles (28 km) direct distance between Klang (Malaysia) and Kuala Lumpur (Malaysia).
- There is a 18 miles (28 km) direct distance between Kobe (Japan) and Sakai (Japan).
- There is a 18 miles (28 km) direct distance between Kowloon (Hong Kong) and Shenzhen (China).
Games
- Pokémon Sandslash (Sandopan, Sandpan) is a Pokémon number # 028 of the National Pokédex. Sandslash is a ground-type Pokémon in the first generation. It is a Field Egg group Pokémon. The indexes ontros of Sandslash are Johto index 049 , Centro Kalos index 098 - Pokédex Mountain Area, Teselia index 114 , Hoenn index 113 .
History and politics
- ISO 3166 country codes for Antigua and Barbuda are AG, ATG, 028 and internet top-level domain is .ag
- United Nations Security Council Resolution number 28, adopted 6 August 1947. Sub-committee relating to the 'Greek Question'. Resolution text.
In other fields
- Hate Symbol: 28 is the alphanumeric code of white supremacy for Blood & Honor, an international group of skinheads. The list of evil numbers.
Mathematics
- 28 is the number of dominoes in standard domino sets
- 28 is the only even perfect number of the form x3 + 1
- 28 is the 2nd perfect number.
Music
- A.L.A - 28
Religions
- There was twenty-eight Indian Patriarchs of Zen 1. Mahakashyapa 2. Ananda 3. Shanavasin 4. Upagupta 5. Dhitika 6. Mishaka 7. Vasumitra 8. Buddhanandi 9. Buddhamitra 10. Parshva 11. Punyayasha 12. Anabodhi 13. Kapimala 14. Nagarjuna 15. Kanadeva 16. Rahulabhadra 17. Samghanandi 18. Samghayathata 19. Kumaralata 20. Shayata 21. Vasubandhu 22. Manorata 23. Haklenayasha 24. Simhabodhi 25. Bashashita 26. Punyamitra 27. Prajnadhara 28. Bodhidharma
Science
- Nickel is the chemical element in the periodic table that has the symbol Ni and atomic number 28.
Sports
- The best athletes to wear number 28
Marshall Faulk, NFL; Bert Blyleven, MLB; Darrell Green, NFL
Tv, movies and cinematography
- Movie: 28 Days Later Year: 2002 Runtime: 113 Director: Danny Boyle With: Cillian Murphy; Naomie harris
- Movie: 28 Weeks Later ... (28 Weeks Later) Year: 2007 Duration: 99 Director: Juan Carlos Fresnadillo With: Robert Carlyle; Rose byrne
Please write us
If you know something interesting about the number 28 or any natural number (positive integer), please write to us.What is 28 in other units
The decimal (Arabic) number 28 converted to a Roman number is XXVIII.
Roman and decimal number conversions.
28 kilograms (kg) = 61.7 pounds (lbs)
28 pounds (lbs) = 12.7 kilograms (kg)
28 kilometers (km) equals to 17.398 miles (mi).
28 miles (mi) equals to 45.062 kilometers (km).
28 meters (m) equals to 45.062 feet (ft).
28 feet (ft) equals 8.535 meters (m).
28 centimeters (cm) equals to 11.0 inches (in).
28 inches (in) equals to 71.1 centimeters (cm).
28° Fahrenheit (°F) equals to -2.2° Celsius (°C)
28° Celsius (°C) equals to 82.4° Fahrenheit (°F)
28 Horsepower (hp) equals to 20.59 kilowatts (kW)
28 kilowatts (kW) equals to 38.07 horsepower (hp)
| The number 28 converted to a Mayan number is |
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| Decimal and Mayan number conversions. |
Weight conversion
28 kilograms (kg) = 61.7 pounds (lbs)
28 pounds (lbs) = 12.7 kilograms (kg)
Length conversion
28 kilometers (km) equals to 17.398 miles (mi).
28 miles (mi) equals to 45.062 kilometers (km).
28 meters (m) equals to 45.062 feet (ft).
28 feet (ft) equals 8.535 meters (m).
28 centimeters (cm) equals to 11.0 inches (in).
28 inches (in) equals to 71.1 centimeters (cm).
Temperature conversion
28° Fahrenheit (°F) equals to -2.2° Celsius (°C)
28° Celsius (°C) equals to 82.4° Fahrenheit (°F)
Power conversion
28 Horsepower (hp) equals to 20.59 kilowatts (kW)
28 kilowatts (kW) equals to 38.07 horsepower (hp)
Codes and images of the number 28
Number 28 morse code: ..--- ---..Sign language for number 28:
Number 28 in braille:
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| More images, other sizes, codes and colors ... | |
Number 28 infographic
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Year 28 AD
- Emperor Ming of Han was born.
- The Frisians negotiated a treaty with the Romans at the River Rhine, avoiding conquest.
- King Onjo of Baekje died and King Daru of Baekje succeeded to the throne of Baekje. (Korea).
Gregorian, Hebrew, Islamic, Persian and Buddhist Year (Calendar)
Gregorian year 28 is Buddhist year 571.Buddhist year 28 is Gregorian year 515 a. C.
Gregorian year 28 is Islamic year -612 or -611.
Islamic year 28 is Gregorian year 648 or 649.
Gregorian year 28 is Persian year -595 or -594.
Persian year 28 is Gregorian 649 or 650.
Gregorian year 28 is Hebrew year 3788 or 3789.
Hebrew year 28 is Gregorian year 3732 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 28 is not a prime number. The closest prime numbers are 23, 29.
The 28th prime number in order is 107.
Factorization and factors (dividers)
The prime factors of 28 are 2 * 2 * 7
The factors of 28 are 1, 2, 4, 7, 14, 28.
Total factors 6.
Sum of factors 56 (28).
Prime factor tree
Powers
The second power of 282 is 784.
The third power of 283 is 21.952.
Roots
The square root √28 is 5,291503.
The cube root of 3√28 is 3,036589.
Logarithms
The natural logarithm of No. ln 28 = loge 28 = 3,332205.
The logarithm to base 10 of No. log10 28 = 1,447158.
The Napierian logarithm of No. log1/e 28 = -3,332205.
Trigonometric functions
The cosine of 28 is -0,962606.The sine of 28 is 0,270906.
The tangent of 28 is -0,28143.
Number 28 in Computer Science
| Code type | Code value |
|---|---|
| Unix time | Unix time 28 is equal to Thursday Jan. 1, 1970, 12:28 a.m. GMT |
| IPv4, IPv6 | Number 28 internet address in dotted format v4 0.0.0.28, v6 ::1c |
| 28 Decimal | = 11100 Binary |
| 28 Decimal | = 1001 Ternary |
| 28 Decimal | = 34 Octal |
| 28 Decimal | = 1C Hexadecimal (0x1c hex) |
| 28 BASE64 | Mjg= |
| 28 MD5 | 33e75ff09dd601bbe69f351039152189 |
| 28 SHA1 | 0a57cb53ba59c46fc4b692527a38a87c78d84028 |
| 28 SHA224 | faf2c49e22e3fdae824e8e5d62956a5f50f16cd4d8f47948b787a582 |
| 28 SHA256 | 59e19706d51d39f66711c2653cd7eb1291c94d9b55eb14bda74ce4dc636d015a |
| 28 SHA384 | 40161b3cdbeffadee863b7e211c444f8e0f99fc051c1666c9fdd8a2aad1354dc1264f346b766064687b0ab6d8c441608 |
| More SHA codes related to the number 28 ... | |
If you know something interesting about the 28 number that you did not find on this page, do not hesitate to write us here.
Numerology 28
According to Wikipedia, numerology is based on faith, yet many people seek the meaning of the number 28 from a numerological perspective.
More about numerology 28 ...
More about numerology 28 ...
№ 28 in other languages
How to say or write the number twenty-eight in Spanish, German, French and other languages.
| Spanish: | 🔊 (número 28) | veintiocho |
| German: | 🔊 (Nummer 28) | achtundzwanzig |
| French: | 🔊 (nombre 28) | vingt-huit |
| Portuguese: | 🔊 (número 28) | vinte e oito |
| Hindi: | 🔊 (संख्या 28) | अट्ठाईस |
| Chinese: | 🔊 (数 28) | 二十八 |
| Arabian: | 🔊 (عدد 28) | ثمانية و عشرون |
| Czech: | 🔊 (číslo 28) | dvacet osm |
| Korean: | 🔊 (번호 28) | 이십팔 |
| Danish: | 🔊 (nummer 28) | otteogtyve |
| Hebrew: | (מספר 28) | עשרים ושמונה |
| Dutch: | 🔊 (nummer 28) | achtentwintig |
| Japanese: | 🔊 (数 28) | 二十八 |
| Indonesian: | 🔊 (jumlah 28) | dua puluh delapan |
| Italian: | 🔊 (numero 28) | ventotto |
| Norwegian: | 🔊 (nummer 28) | tjue-åtte |
| Polish: | 🔊 (liczba 28) | dwadzieścia osiem |
| Russian: | 🔊 (номер 28) | двадцать восемь |
| Turkish: | 🔊 (numara 28) | yirmisekiz |
| Thai: | 🔊 (จำนวน 28) | ยี่สิบแปด |
| Ukrainian: | 🔊 (номер 28) | двадцять вісім |
| Vietnamese: | 🔊 (con số 28) | hai mươi tám |
| Other languages ... | ||
Comment
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Comments
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Ayomide Awoniyi Oct. 21, 2023
According to my calculations, all perfect numbers are triangular.
reply
Frequently asked questions about the number 28
How do you write the number 28 in words?
28 can be written as "twenty-eight".
Number 28 in News
| BBC: At least 28 killed in Kyiv as wave of Russian strikes defies Trump ceasefire demand
Three children, aged three, six, and 17, were among those killed in the attack, Ukrainian officials say. Aug. 1, 2025 |
| NyTimes: At Least 28 Dead After Tourist Boat Capsizes in Vietnam’s Ha Long Bay
The boat, carrying 46 passengers and three crew members, was on a sightseeing tour of Ha Long Bay when a sudden storm caused it to overturn, state media said. Ten people were rescued. July 20, 2025 |
| BBC: Danny Boyle and Jodie Comer talk Covid, horror and making 28 Years Later
The British director of 28 Years Later speaks alongside star Jodie Comer about returning to horror. June 19, 2025 |
| BBC: Cillian Murphy stars in 28 Days Later
28 days after a killer virus spreads through the UK, a group in London try to survive. June 15, 2025 |
| BBC: Irish boxer dies aged 28, a week after suffering brain injury in Belfast fight
Irish super-featherweight boxer John Cooney dies after suffering a brain injury in last Saturday's defeat by Welshman Nathan Howells in Belfast. Feb. 8, 2025 |