Number 80

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 decimal (Arabic) number 80 converted to a Roman number is LXXX. Roman and decimal number conversions.
The number 80 converted to a Mayan number is mayan number 80
Decimal and Mayan number conversions.

Weight conversion


80 kilograms (kg) = 176.4 pounds (lb)
80 pounds (lb) = 36.3 kilograms (kg)

Length conversion


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).

Temperature conversion


80° Fahrenheit (°F) equals to 176° Celsius (°C)
80° Celsius (°C) equals to 26.7° Fahrenheit (°F)

Power conversion


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 80

Number 80 morse code: ---.. -----
Sign language for number 80:
Sign language for number 80 Sign language for number 80
Images of the number
Image (1) of the numberImage (2) of the number
Number 80 black image Number 80 red image
There is no copyright for these images. Number 80 infographic.
More images, other sizes, codes and colors ...

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

Multiplications

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 ...

Calculator

80

Advanced math operations

Is Prime?


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.

Powers


The second power of 802 is 6.400.
The third power of 803 is 512.000.

Roots


The square root √80 is 8,944272.
The cube root of 380 is 4,308869.

Logarithms


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 functions

The cosine of 80 is -0,110387.
The sine of 80 is -0,993889.
The tangent of 80 is 9,003655.

Properties of the number 80

Is 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 typeCode value
Port 80/TCPHTTP (HyperText Transfer Protocol) - used for transferring web pages
Ascii80 ascii is character P
Unix timeUnix time 80 is equal to Thursday Jan. 1, 1970, 12:01:20 a.m. GMT
IPv4, IPv6Number 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)
80 BASE64ODA=
80 MD5f033ab37c30201f73f142449d037028d
80 SHA1b888b29826bb53dc531437e723738383d8339b56
More SHA codes related to the number 80 ...

Numerology 80

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 meaning of the number 8 (eight), numerology 8 ...

The meaning of the number 0 (zero), numerology 0

Character frequency 0: 1

Everything begins at the zero point and at the zero point everything ends. Many times we do not know the end, but we know the beginning, it is at the zero point.
More about the meaning of the number 0 (zero), numerology 0 ...

Interesting facts about the number 80

Asteroids

  • (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).

Mathematics

  • 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.

Science

  • Mercury is the chemical element in the periodic table that has the symbol Hg and atomic number 80.

Sports

  • The best athletes to wear number 80
    Jerry Rice, NFL; Kellen Winslow, NFL; Steve Largent, NFL; Chris Carter, NFL

Number 80 in other languages

How to say or write the number eighty in Spanish, German, French and other languages.
Spanish: 🔊 (número 80)

ochenta

German: 🔊 (Anzahl 80)

achtzig

French: 🔊 (nombre 80)

quatre-vingts

Portuguese: 🔊 (número 80)

oitenta

Chinese: 🔊 (数 80)

八十

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

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