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.
Please write us
If you know something interesting about the number 1800 or any natural number (positive integer), please write to us.What is 1,800 in other units
The decimal (Arabic) number 1800 converted to a Roman number is MDCCC.
Roman and decimal number conversions.
1800 kilograms (kg) = 3968.3 pounds (lbs)
1800 pounds (lbs) = 816.5 kilograms (kg)
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).
1800 centimeters (cm) equals to 708.7 inches (in).
1800 inches (in) equals to 4572 centimeters (cm).
1800° Fahrenheit (°F) equals to 982.2° Celsius (°C)
1800° Celsius (°C) equals to 3272° Fahrenheit (°F)
1800 Horsepower (hp) equals to 1323.72 kilowatts (kW)
1800 kilowatts (kW) equals to 2447.65 horsepower (hp)
1800 seconds equals to 30 minutes
1800 minutes equals to 1 day, 6 hours
| The number 1800 converted to a Mayan number is |
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| Decimal and Mayan number conversions. |
Weight conversion
1800 kilograms (kg) = 3968.3 pounds (lbs)
1800 pounds (lbs) = 816.5 kilograms (kg)
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).
1800 centimeters (cm) equals to 708.7 inches (in).
1800 inches (in) equals to 4572 centimeters (cm).
Temperature conversion
1800° Fahrenheit (°F) equals to 982.2° Celsius (°C)
1800° Celsius (°C) equals to 3272° Fahrenheit (°F)
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
Codes and images of the number 1800
Number 1800 morse code: .---- ---.. ----- -----Sign language for number 1800:
Number 1800 in braille:
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| Image (1) of the number | Image (2) of the number |
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| More images, other sizes, codes and colors ... | |
Number 1800 infographic
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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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Mathematics of no. 1800
Multiplications
Multiplication table of 1800
1800 multiplied by two equals 3600 (1800 x 2 = 3600).
1800 multiplied by three equals 5400 (1800 x 3 = 5400).
1800 multiplied by four equals 7200 (1800 x 4 = 7200).
1800 multiplied by five equals 9000 (1800 x 5 = 9000).
1800 multiplied by six equals 10800 (1800 x 6 = 10800).
1800 multiplied by seven equals 12600 (1800 x 7 = 12600).
1800 multiplied by eight equals 14400 (1800 x 8 = 14400).
1800 multiplied by nine equals 16200 (1800 x 9 = 16200).
show multiplications by 6, 7, 8, 9 ...
1800 multiplied by seven equals 12600 (1800 x 7 = 12600).
1800 multiplied by eight equals 14400 (1800 x 8 = 14400).
1800 multiplied by nine equals 16200 (1800 x 9 = 16200).
Fractions: decimal fraction and common fraction
Fraction table of 1800
Half of 1800 is 900 (1800 / 2 = 900).
One third of 1800 is 600 (1800 / 3 = 600).
One quarter of 1800 is 450 (1800 / 4 = 450).
One fifth of 1800 is 360 (1800 / 5 = 360).
One sixth of 1800 is 300 (1800 / 6 = 300).
One seventh of 1800 is 257,1429 (1800 / 7 = 257,1429 = 257 1/7).
One eighth of 1800 is 225 (1800 / 8 = 225).
One ninth of 1800 is 200 (1800 / 9 = 200).
show fractions by 6, 7, 8, 9 ...
One seventh of 1800 is 257,1429 (1800 / 7 = 257,1429 = 257 1/7).
One eighth of 1800 is 225 (1800 / 8 = 225).
One ninth of 1800 is 200 (1800 / 9 = 200).
Calculator
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1800 | ||||
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 3√1800 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 type | Code value |
|---|---|
| PIN 1800 | It's recommended that you use 1800 as your password or PIN. |
| 1800 Number of bytes | 1.8KB |
| Unix time | Unix time 1800 is equal to Thursday Jan. 1, 1970, 12:30:00 a.m. GMT |
| IPv4, IPv6 | Number 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 BASE64 | MTgwMA== |
| 1800 MD5 | f39ae9ff3a81f499230c4126e01f421b |
| 1800 SHA1 | a129261ef1c88ada8b9611d79cd7e0a112c9d4f7 |
| 1800 SHA224 | 79c32b2bc129d3b5c84cbed41d7307ff4cb1a6acb6ce2b46b99d4c63 |
| 1800 SHA256 | e49ec846db7527df7ff483009fe61700e6435072c8c5b551ab08f0a13fc45a07 |
| 1800 SHA384 | b6fd01e80234135149e377cb722b573e789967ef82092d8af18f1a5efacd2d8894fdc58852c089b196f8413d75ecf269 |
| 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
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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, oitocentos |
| Hindi: | 🔊 (संख्या 1 800) | एक हज़ार, आठ सौ |
| Chinese: | 🔊 (数 1 800) | 一千八百 |
| Arabian: | 🔊 (عدد 1,800) | واحد 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 |