Number 1800 facts

The even number 1,800 is spelled 🔊, and written in words: one thousand, eight hundred. The ordinal number 1800th is said 🔊 and written as: one thousand, eight hundredth. The meaning of the number 1800 in Maths: Is it Prime? Factorization and prime factors tree. The square root and cube root of 1800. What is 1800 in computer science, numerology, codes and images, writing and naming in other languages. Other interesting facts, news related to 1800.

Interesting facts about the number 1800

Asteroids

  • (1800) Aguilar is asteroid number 1800. It was discovered by M. Itzigsohn from Obs. Astronomical of La Plata on 9/12/1950.

Areas, mountains and surfaces

  • The total area of Belarus is 80,200 square miles (207,600 km²) and the water area is 1,800 square miles (4,700 km²) and the land area is 78,300 square miles (202,900 km²).

Distances between cities

  • There is a 1,119 miles (1,800 km) direct distance between Abidjan (Ivory Coast) and Dakar (Senegal).
  • There is a 1,119 miles (1,800 km) direct distance between Abidjan (Ivory Coast) and Pikine (Senegal).
  • There is a 1,800 miles (2,896 km) direct distance between Ahvaz (Iran) and Shivaji Nagar (India).
  • There is a 1,119 miles (1,800 km) direct distance between Bangalore (India) and Dhaka (Bangladesh).
  • More distances between cities ...
  • There is a 1,800 miles (2,896 km) direct distance between Bangkok (Thailand) and Pimpri (India).
  • There is a 1,800 miles (2,896 km) direct distance between Bhopal (India) and Karaj (Iran).
  • There is a 1,800 miles (2,896 km) direct distance between Dongguan (China) and Ranchi (India).
  • There is a 1,800 miles (2,896 km) direct distance between Hyderabad (Pakistan) and Sulţānah (Saudi Arabia).
  • There is a 1,119 miles (1,800 km) direct distance between Kathmandu (Nepal) and Ürümqi (China).
  • There is a 1,119 miles (1,800 km) direct distance between Kharkiv (Ukraine) and Munich (Germany).

History and politics

  • United Nations Security Council Resolution number 1800, adopted 20 February 2008. Appointment of temporary judges at the International Criminal Tribunal for the former Yugoslavia. Resolution text.

Mathematics

  • 1800 is a pentagonal pyramidal number.

Mobile and telephony

  • 1800 numbers are toll free numbers in the United States that charge the cost of making a long-distance call to the owner of the number, rather than the person making the call. It was introduced in 1967 as the first toll-free telephone number and has since become widely used by companies across the country.

What is 1,800 in other units

The decimal (Arabic) number 1800 converted to a Roman number is MDCCC. Roman and decimal number conversions.
The number 1800 converted to a Mayan number is mayan number 1800
Decimal and Mayan number conversions.

Length conversion


1800 kilometers (km) equals to 1119 miles (mi).
1800 miles (mi) equals to 2897 kilometers (km).
1800 meters (m) equals to 5906 feet (ft).
1800 feet (ft) equals 548.647 meters (m).

Power conversion


1800 Horsepower (hp) equals to 1323.72 kilowatts (kW)
1800 kilowatts (kW) equals to 2447.65 horsepower (hp)

Time conversion

(hours, minutes, seconds, days, weeks)
1800 seconds equals to 30 minutes
1800 minutes equals to 1 day, 6 hours


Zip codes 1800

  • Zip code 01800 San Bartolo Ameyalco, Ciudad de México, Álvaro Obregón, Mexico a map
  • Zip code 1800 Marikina Central Post Office, Philippines a map

Codes and images of the number 1800

Number 1800 morse code: .---- ---.. ----- -----
Sign language for number 1800:
Sign language for number 1800 Sign language for number 1800 Sign language for number 1800 Sign language for number 1800
Number 1800 in braille:
Number 1800 in braille
Images of the number
Image (1) of the numberImage (2) of the number
Number 1800 black image Number 1800 red image
More images, other sizes, codes and colors ...

Number 1800 infographic


Year 1800 AD

  • Frenchmen, J.M. Jacquard invented the Jacquard Loom.
  • Count Alessandro Volta invented the battery.
  • Ebenezer Sibly died.

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

Gregorian year 1800 is Buddhist year 2343.
Buddhist year 1800 is Gregorian year 1257 .
Gregorian year 1800 is Islamic year 1214 or 1215.
Islamic year 1800 is Gregorian year 2367 or 2368.
Gregorian year 1800 is Persian year 1178 or 1179.
Persian year 1800 is Gregorian 2421 or 2422.
Gregorian year 1800 is Hebrew year 5560 or 5561.
Hebrew year 1800 is Gregorian year 1960 a. C.
More about the year 1800.
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 1800 is not a prime number. The closest prime numbers are 1789, 1801.
The 1800th prime number in order is 15401.

Factorization and factors (dividers)


The prime factors of 1800 are 2 * 2 * 2 * 3 * 3 * 5 * 5
The factors of 1800 are
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800. show more factors ...
Total factors 36.
Sum of factors 6045 (4245).

Prime factor tree


Powers


The second power of 18002 is 3.240.000.
The third power of 18003 is 5.832.000.000.

Roots


The square root √1800 is 42,426407.
The cube root of 31800 is 12,164404.

Logarithms


The natural logarithm of No. ln 1800 = loge 1800 = 7,495542.
The logarithm to base 10 of No. log10 1800 = 3,255273.
The Napierian logarithm of No. log1/e 1800 = -7,495542.

Trigonometric functions

The cosine of 1800 is -0,991223.
The sine of 1800 is 0,132202.
The tangent of 1800 is -0,133373.

Number 1800 in Computer Science

Code typeCode value
PIN 1800 It's recommended that you use 1800 as your password or PIN.
1800 Number of bytes1.8KB
Unix timeUnix time 1800 is equal to Thursday Jan. 1, 1970, 12:30:00 a.m. GMT
IPv4, IPv6Number 1800 internet address in dotted format v4 0.0.7.8, v6 ::708
1800 Decimal = 11100001000 Binary
1800 Decimal = 2110200 Ternary
1800 Decimal = 3410 Octal
1800 Decimal = 708 Hexadecimal (0x708 hex)
1800 BASE64MTgwMA==
1800 MD5f39ae9ff3a81f499230c4126e01f421b
1800 SHA1a129261ef1c88ada8b9611d79cd7e0a112c9d4f7
1800 SHA22479c32b2bc129d3b5c84cbed41d7307ff4cb1a6acb6ce2b46b99d4c63
1800 SHA256e49ec846db7527df7ff483009fe61700e6435072c8c5b551ab08f0a13fc45a07
1800 SHA384b6fd01e80234135149e377cb722b573e789967ef82092d8af18f1a5efacd2d8894fdc58852c089b196f8413d75ecf269
More SHA codes related to the number 1800 ...

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Numerology 1800

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

Character frequency 0: 2

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 the number 0 (zero), numerology 0 ...

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 1 (one), numerology 1

Character frequency 1: 1

Number one (1) came to develop or balance creativity, independence, originality, self-reliance and confidence in the world. It reflects power, creative strength, quick mind, drive and ambition. It is the sign of individualistic and aggressive nature.
More about the the number 1 (one), numerology 1 ...

№ 1,800 in other languages

How to say or write the number one thousand, eight hundred in Spanish, German, French and other languages. The character used as the thousands separator.
Spanish: 🔊 (número 1.800)

mil ochocientos

German: 🔊 (Nummer 1.800)

eintausendachthundert

French: 🔊 (nombre 1 800)

mille huit cents

Portuguese: 🔊 (número 1 800)

mil e oitocentos

Hindi: 🔊 (संख्या 1 800)

एक हज़ार, आठ सौ

Chinese: 🔊 (数 1 800)

一千八百

Arabian: 🔊 (عدد 1,800)

ألف و ثمانمائة

Czech: 🔊 (číslo 1 800)

tisíc osmset

Korean: 🔊 (번호 1,800)

천팔백

Danish: 🔊 (nummer 1 800)

ettusinde og ottehundrede

Hebrew: (מספר 1,800)

אלף ושמונה מאות

Dutch: 🔊 (nummer 1 800)

duizendachthonderd

Japanese: 🔊 (数 1,800)

千八百

Indonesian: 🔊 (jumlah 1.800)

seribu delapan ratus

Italian: 🔊 (numero 1 800)

milleottocento

Norwegian: 🔊 (nummer 1 800)

en tusen åtte hundre

Polish: 🔊 (liczba 1 800)

tysiąc osiemset

Russian: 🔊 (номер 1 800)

одна тысяча восемьсот

Turkish: 🔊 (numara 1,800)

binsekizyüz

Thai: 🔊 (จำนวน 1 800)

หนึ่งพันแปดร้อย

Ukrainian: 🔊 (номер 1 800)

одна тисяча вісімсот

Vietnamese: 🔊 (con số 1.800)

một nghìn tám trăm

Other languages ...

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Frequently asked questions about the number 1800

  • How do you write the number 1800 in words?

    1800 can be written as "one thousand, eight hundred".

Number 1800 in News

NyTimes: British Museum Sues Former Curator for Return of Stolen Items
The museum accuses Peter Higgs, a former keeper of Greek and Roman antiquities, of stealing or damaging at least 1,800 artifacts and selling many on eBay.
March 27, 2024
France24: More than 1,800 terror attacks recorded in West Africa thus far in 2023, ECOWAS says
West Africa recorded over 1,800 terrorist attacks in the first six months of the year resulting in nearly 4,600 deaths with dire humanitarian consequences, and a top regional official said Tuesday that’s just "a snippet of the horrendous impact of insecurity." ...
July 26, 2023
The Sydney Morning Herald: From the Archives, 1992: Bloodless landing in Mogadishu, then Marines lay down the law
30 years ago, the US led UN taskforce Operation Hope and Restore began in Somalia with 1,800 United States Marines landing in Mogadishu.
Dec. 9, 2022
The Sydney Morning Herald: ‘We are at the mercy of the volcano’: No end in sight for La Palma eruption
The volcano has so far destroyed more than 1800 buildings – mostly homes – and lava now covers more than 750 hectares of the island.
Oct. 18, 2021

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