Number 80 is said 🔊, write in letters as follows: eighty . Ordinal number 80th is said 🔊 and write: eightieth. The meaning of number 80: Basic maths, advanced mathematics and properties, computer science, numerology, codes and images, writing and naming in other languages, other interesting facts and comments. Number 80 in News.
Useful information about number 80
|The number 80 converted to a Mayan number is|
|Decimal and Mayan number conversions.|
80 kilograms (kg) = 176.4 pounds (lb)
80 pounds (lb) = 36.3 kilograms (kg)
80 kilometers (km) equals to 49.710 miles (mi).
80 miles (mi) equals to 128.748 kilometers (km).
80 meters (m) equals to 128.748 feet (ft).
80 feet (ft) equals 24.384 meters (m).
80 centimeters (cm) equals to 31.5 inches (in).
80 inches (in) equals to 203.2 centimeters (cm).
80° Fahrenheit (°F) equals to 176° Celsius (°C)
80° Celsius (°C) equals to 26.7° Fahrenheit (°F)
80 Horsepower (hp) equals to 58.83 kilowatts (kW)
80 kilowatts (kW) equals to 108.78 horsepower (hp)
Time conversion(hours, minutes, seconds, days, weeks)
80 seconds equals to 1 minute, 20 seconds
80 minutes equals to 1 hour, 20 minutes
Codes and images of the number 80Number 80 morse code: ---.. -----
Sign language for number 80:
|Images of the number|
|Image (1) of the number||Image (2) of the number|
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Number 80 infographic.
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Gregorian, Hebrew, Islamic, Persian and Buddhist year (calendar)Gregorian year 80 is Buddhist year 623.
Buddhist year 80 is Gregorian year 463 a. C.
Gregorian year 80 is Islamic year -559 or -558.
Islamic year 80 is Gregorian year 699 or 700.
Gregorian year 80 is Persian year -543 or -542.
Persian year 80 is Gregorian 701 or 702.
Gregorian year 80 is Hebrew year 3840 or 3841.
Hebrew year 80 is Gregorian year 3680 a. C.
The Buddhist calendar is used in Sri Lanka, Cambodia, Laos, Thailand, and Burma. The Persian calendar is official in Iran and Afghanistan.
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Mathematics of no. 80
Multiplication table of 80
80 multiplied by two equals 160 (80 x 2 = 160).
80 multiplied by three equals 240 (80 x 3 = 240).
80 multiplied by four equals 320 (80 x 4 = 320).
80 multiplied by five equals 400 (80 x 5 = 400).
show multiplications by 6, 7, 8, 9 ...
Fractions: decimal fraction and common fraction
Fraction table of 80
Half of 80 is 40 (80 / 2 = 40).
One third of 80 is 26,6667 (80 / 3 = 26,6667 = 26 2/3).
One quarter of 80 is 20 (80 / 4 = 20).
One fifth of 80 is 16 (80 / 5 = 16).
show fractions by 6, 7, 8, 9 ...
Advanced math operations
The number 80 is not a prime number. The closest prime numbers are 79, 83.
80th prime number in order is 409.
Factorization and dividers
Factorization 2 * 2 * 2 * 2 * 5 = 80
Divisors of number 80 are 1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80
Total Divisors 10.
Sum of Divisors 186.
The second power of 802 is 6.400.
The third power of 803 is 512.000.
The square root √80 is 8,944272.
The cube root of 3√80 is 4,308869.
The natural logarithm of No. ln 80 = loge 80 = 4,382027.
The logarithm to base 10 of No. log10 80 = 1,90309.
The Napierian logarithm of No. log1/e 80 = -4,382027.
Trigonometric functionsThe cosine of 80 is -0,110387.
The sine of 80 is -0,993889.
The tangent of 80 is 9,003655.
Properties of the number 80Is a Friedman number: No
Is a Fibonacci number: No
Is a Bell number: No
Is a palindromic number: No
Is a pentagonal number: No
Is a perfect number: No
Number 80 in Computer Science
|Code type||Code value|
|Port 80/TCP||HTTP (HyperText Transfer Protocol) - used for transferring web pages|
|Ascii||80 ascii is character P|
|Unix time||Unix time 80 is equal to Thursday Jan. 1, 1970, 12:01:20 a.m. GMT|
|IPv4, IPv6||Number 80 internet address in dotted format v4 0.0.0.80, v6 ::50|
|80 Decimal||= 1010000 Binary|
|80 Decimal||= 2222 Ternary|
|80 Decimal||= 120 Octal|
|80 Decimal||= 50 Hexadecimal (0x50 hex)|
|More SHA codes related to the number 80 ...|
The meaning of the number 8 (eight), numerology 8
Character frequency 8: 1
The meaning of the number 0 (zero), numerology 0
Character frequency 0: 1
Interesting facts about the number 80
- (80) Sappho is asteroid number 80. It was discovered by N. R. Pogson from Madras Observatory on 5/2/1864.
Areas, mountains and surfaces
- The total area of Cyprus (main island) is 3,565 square miles (9,234 square km). Country Cyprus, Akrotiri and Dhekelia, Sovereign Base Areas of the United Kingdom, and Northern Cyprus. 80th largest island in the world.
Distances between cities
- There is a 80 miles (128 km) direct distance between Brooklyn (USA) and Philadelphia (USA).
- There is a 80 miles (128 km) direct distance between Caracas (Venezuela) and Valencia (Venezuela).
- There is a 50 miles (80 km) direct distance between Changzhou (China) and Suzhou (China).
- There is a 80 miles (128 km) direct distance between Sūrat (India) and Vadodara (India).
- 80 is the smallest number n where n and n+1 are both products of 4 or more primes.
Motorsport and cars
- The Audi 80 is a D-segment passenger car produced by the German manufacturer Audi from 1972 to 1996.
- Mercury is the chemical element in the periodic table that has the symbol Hg and atomic number 80.
- The best athletes to wear number 80
Jerry Rice, NFL; Kellen Winslow, NFL; Steve Largent, NFL; Chris Carter, NFL
Please write usIf you know something interesting about the number 80 or any natural number (positive integer), please write to us.
Number 80 in other languages
|Spanish:||🔊 (número 80)|
|German:||🔊 (Anzahl 80)|
|French:||🔊 (nombre 80)|
|Portuguese:||🔊 (número 80)|
|Chinese:||🔊 (数 80)|
|Other languages ...|
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Number 80 in News
|France24: Death toll surpasses 80 in attack on seven villages in northwest Nigeria
Police in northwest Nigeria's Kebbi state told AFP Sunday that the death toll from an attack by a gang of cattle thieves on seven villages Thursday had risen to 88. ...
June 6, 2021
|France24: Over 80 percent of Japanese oppose hosting Olympics this summer, poll finds
More than 80 percent of Japanese oppose hosting the virus-postponed Olympics this year, a new poll published Monday showed, with just under 10 weeks until the Tokyo Games. ...
May 17, 2021
|France24: The green ticket roundup: France marks 80 years since its first mass arrest of Jews
It was a small green-coloured ticket, signed by the police commissioner. The summons instructed recipients to present themselves at 7am, along with an ID card and accompanied by a relative, at six different addresses in Paris. Little did they know that they had been handed a ticket to Auschwitz. On Friday, France marks the 80-year-anniversary of its first mass arrest of Jews, also known as “the green ticket roundup”. ...
May 14, 2021
|BBC: In pictures: Commons marks 80 years since WW2 bombing
Speaker Sir Lindsay Hoyle commemorates those who died when a Luftwaffe attack destroyed the Commons chamber. ...
May 12, 2021
|BBC: Ian Cunningham: 'I'm 80 years old and still playing rugby'
At 80 years old, Ian Cunningham is one of the oldest walking rugby players in the UK. ...
May 8, 2021