# Number 28

Number 28 spell 🔊, write in words: twenty-eight. Ordinal number 28th is said 🔊 and write: 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, writing and naming in other languages. Other interesting facts, videos, news related to 28.

## What is 28 in other units

The decimal (Arabic) number 28 converted to a Roman number is XXVIII. Roman and decimal number conversions.
 The number 28 converted to a Mayan number is 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:
Images of the number
Image (1) of the numberImage (2) of the number
More images, other sizes, codes and colors ...

### Photo of number 28

• 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.

## Mathematics of no. 28

### Multiplications

#### Multiplication table of 28

28 multiplied by two equals 56 (28 x 2 = 56).
28 multiplied by three equals 84 (28 x 3 = 84).
28 multiplied by four equals 112 (28 x 4 = 112).
28 multiplied by five equals 140 (28 x 5 = 140).
28 multiplied by six equals 168 (28 x 6 = 168).
28 multiplied by seven equals 196 (28 x 7 = 196).
28 multiplied by eight equals 224 (28 x 8 = 224).
28 multiplied by nine equals 252 (28 x 9 = 252).
show multiplications by 6, 7, 8, 9 ...

### Fractions: decimal fraction and common fraction

#### Fraction table of 28

Half of 28 is 14 (28 / 2 = 14).
One third of 28 is 9,3333 (28 / 3 = 9,3333 = 9 1/3).
One quarter of 28 is 7 (28 / 4 = 7).
One fifth of 28 is 5,6 (28 / 5 = 5,6 = 5 3/5).
One sixth of 28 is 4,6667 (28 / 6 = 4,6667 = 4 2/3).
One seventh of 28 is 4 (28 / 7 = 4).
One eighth of 28 is 3,5 (28 / 8 = 3,5 = 3 1/2).
One ninth of 28 is 3,1111 (28 / 9 = 3,1111 = 3 1/9).
show fractions by 6, 7, 8, 9 ...

### Calculator

 28

#### 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).

#### 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 328 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.

### Properties of the number 28

More math properties ...

## Number 28 in Computer Science

Code typeCode value
Unix timeUnix time 28 is equal to Thursday Jan. 1, 1970, 12:28 a.m. GMT
IPv4, IPv6Number 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 BASE64Mjg=
28 MD533e75ff09dd601bbe69f351039152189
28 SHA10a57cb53ba59c46fc4b692527a38a87c78d84028
28 SHA224faf2c49e22e3fdae824e8e5d62956a5f50f16cd4d8f47948b787a582
28 SHA25659e19706d51d39f66711c2653cd7eb1291c94d9b55eb14bda74ce4dc636d015a
More SHA codes related to the number 28 ...

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## Numerology 28

### The meaning of the number 8 (eight), numerology 8

Character frequency 8: 1

The number eight (8) is the sign of organization, perseverance and control of energy to produce material and spiritual achievements. It represents the power of realization, abundance in the spiritual and material world. Sometimes it denotes a tendency to sacrifice but also to be unscrupulous.
More about the the number 8 (eight), numerology 8 ...

### The meaning of the number 2 (two), numerology 2

Character frequency 2: 1

The number two (2) needs above all to feel and to be. It represents the couple, duality, family, private and social life. He/she really enjoys home life and family gatherings. The number 2 denotes a sociable, hospitable, friendly, caring and affectionate person. It is the sign of empathy, cooperation, adaptability, consideration for others, super-sensitivity towards the needs of others.

The number 2 (two) is also the symbol of balance, togetherness and receptivity. He/she is a good partner, colleague or companion; he/she also plays a wonderful role as a referee or mediator. Number 2 person is modest, sincere, spiritually influenced and a good diplomat. It represents intuition and vulnerability.
More about the the number 2 (two), numerology 2 ...

## Interesting facts about the number 28

### 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 between cities

• 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 between cities ...
• 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.

• A.L.A - 28

### 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

## № 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 ...

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