Number 1981 facts
The odd number 1,981 is spelled 🔊, and written in words: one thousand, nine hundred and eighty-one. The ordinal number 1981st is said 🔊 and written as: one thousand, nine hundred and eighty-first. The meaning of the number 1981 in Maths: Is it Prime? Factorization and prime factors tree. The square root and cube root of 1981. What is 1981 in computer science, numerology, codes and images, writing and naming in other languages. Other interesting facts, videos, news related to 1981. ‹‹ 1980 1982 ››
Interesting facts about the number 1981
Asteroids
- (1981) Midas is asteroid number 1981. It was discovered by C. T. Kowal from Mount Palomar Observatory on 3/6/1973.
Distances
- There is a 1,981 miles (3,188 km) direct distance between Ahmedabad (India) and Mosul (Iraq).
- There is a 1,981 miles (3,188 km) direct distance between Beirut (Lebanon) and Paris (France).
- There is a 1,981 miles (3,188 km) direct distance between Belém (Brazil) and Porto Alegre (Brazil).
- There is a 1,981 miles (3,187 km) direct distance between Bhopal (India) and Kahrīz (Iran).
- More distances ...
- There is a 1,981 miles (3,187 km) direct distance between Budta (Philippines) and Ulsan (South Korea).
- There is a 1,981 miles (3,188 km) direct distance between Cartagena (Colombia) and Guadalajara (Mexico).
- There is a 1,231 miles (1,981 km) direct distance between City of London (United Kingdom) and Fès (Morocco).
- There is a 1,981 miles (3,188 km) direct distance between Copenhagen (Denmark) and Jerusalem (Israel).
- There is a 1,231 miles (1,981 km) direct distance between Dubai (United Arab Emirates) and Nashik (India).
- There is a 1,981 miles (3,187 km) direct distance between Erbil (Iraq) and Turin (Italy).
- There is a 1,981 miles (3,188 km) direct distance between Hubli (India) and Klang (Malaysia).
- There is a 1,981 miles (3,187 km) direct distance between Chongqing (China) and Rawalpindi (Pakistan).
- There is a 1,981 miles (3,188 km) direct distance between Kharkiv (Ukraine) and Mecca (Saudi Arabia).
- There is a 1,231 miles (1,981 km) direct distance between Kota (India) and Mashhad (Iran).
- There is a 1,981 miles (3,188 km) direct distance between Lijiang (China) and Thiruvananthapuram (India).
- There is a 1,981 miles (3,187 km) direct distance between Lucknow (India) and Omsk (Russia).
- There is a 1,981 miles (3,187 km) direct distance between Madrid (Spain) and Saint Petersburg (Russia).
- There is a 1,981 miles (3,188 km) direct distance between Maiduguri (Nigeria) and Rabat (Morocco).
- There is a 1,231 miles (1,981 km) direct distance between Ningbo (China) and Xining (China).
- There is a 1,981 miles (3,187 km) direct distance between Phnom Penh (Cambodia) and Solāpur (India).
- There is a 1,981 miles (3,187 km) direct distance between Port Harcourt (Nigeria) and Tripoli (Libya).
- There is a 1,981 miles (3,187 km) direct distance between Vijayawāda (India) and Zhongshan (China).
History and politics
- Timeline: 1981 - What Happened In the Year 1981?
- United Nations Security Council Resolution number 1981, adopted 13 May 2011. Extends mandate of the United Nations Operation in Côte d'Ivoire and temporary redeployment from Liberia. Resolution text.
In other fields
- On April 11, 1981, model Alessandra Ambrosio was born in Erexim, Brazil
Music
- '1981' is the single by Australian alternative rock band Gyroscope.
- On January 25, 1981, singer Alicia Keys was born in New York NY, USA.
- On December 2, 1981, singer Britney Spears was born in Kentwood Louisiana, USA.
Sports
- On June 7, 1981, tennis player Anna Kournikova was born in Moscow, Russia
- On September 26, 1981, tennis player Serena Williams was born in Saginaw Michigan, USA.
Tv, movies and cinematography
- Sci-Fi Battleship from Star Trek. The USS Aleo (NCC-1981) was a 24th century Federation starship operated by Starfleet. In 2364, Captain Bryan D. Furen was the commander of this ship. The ship was monitoring traffic communication loads in the Kandari sector on stardate 41577.3, when it received an order from Admiral Kurt Nelson at Starfleet Tactical Command. He ordered that the ship should redirect its efforts to recertifying the subspace relay stations along the Rigel/Andor line.
- On January 28, 1981, actress Elijah Wood was born in Cedar Rapids Iowa, USA.
- On February 17, 1981, actress Paris Hilton was born in New York NY, USA.
Please write us
If you know something interesting about the number 1981 or any natural number (positive integer), please write to us.What is 1,981 in other units
The decimal (Arabic) number 1981 converted to a Roman number is MCMLXXXI.
Roman and decimal number conversions.
1981 kilometers (km) equals to 1231 miles (mi).
1981 miles (mi) equals to 3189 kilometers (km).
1981 meters (m) equals to 6500 feet (ft).
1981 feet (ft) equals 603.816 meters (m).
1981 Horsepower (hp) equals to 1456.82 kilowatts (kW)
1981 kilowatts (kW) equals to 2693.78 horsepower (hp)
1981 seconds equals to 33 minutes, 1 second
1981 minutes equals to 1 day, 9 hours, 1 minute
| The number 1981 converted to a Mayan number is |
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| Decimal and Mayan number conversions. |
Length conversion
1981 kilometers (km) equals to 1231 miles (mi).
1981 miles (mi) equals to 3189 kilometers (km).
1981 meters (m) equals to 6500 feet (ft).
1981 feet (ft) equals 603.816 meters (m).
Power conversion
1981 Horsepower (hp) equals to 1456.82 kilowatts (kW)
1981 kilowatts (kW) equals to 2693.78 horsepower (hp)
Time conversion
(hours, minutes, seconds, days, weeks)1981 seconds equals to 33 minutes, 1 second
1981 minutes equals to 1 day, 9 hours, 1 minute
Zip codes 1981
- Zip code 1981 GOBERNADOR OBLIGADO, BUENOS AIRES, Argentina a map
- Zip code 1981 KILOMETRO 55 (APEADERO FCGB.), BUENOS AIRES, Argentina a map
- Zip code 1981 KILOMETRO 58 (APEADERO FCGB.), BUENOS AIRES, Argentina a map
Codes and images of the number 1981
Number 1981 morse code: .---- ----. ---.. .----Sign language for number 1981:
Number 1981 in braille:
| Images of the number | |
| Image (1) of the number | Image (2) of the number |
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| More images, other sizes, codes and colors ... | |
Number 1981 infographic
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Year 1981 AD
- MS-DOS was invented.
- The first IBM-PC was invented.
- The scanning tunneling microscope was invented by Gerd Karl Binnig and Heinrich Rohrer.
Gregorian, Hebrew, Islamic, Persian and Buddhist Year (Calendar)
Gregorian year 1981 is Buddhist year 2524.Buddhist year 1981 is Gregorian year 1438 .
Gregorian year 1981 is Islamic year 1401 or 1402.
Islamic year 1981 is Gregorian year 2543 or 2544.
Gregorian year 1981 is Persian year 1359 or 1360.
Persian year 1981 is Gregorian 2602 or 2603.
Gregorian year 1981 is Hebrew year 5741 or 5742.
Hebrew year 1981 is Gregorian year 1779 a. C.
More about the year 1981.
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 1981 is not a prime number. The closest prime numbers are 1979, 1987.
The 1981st prime number in order is 17203.
Factorization and factors (dividers)
The prime factors of 1981 are 7 * 283
The factors of 1981 are 1, 7, 283, 1981.
Total factors 4.
Sum of factors 2272 (291).
Prime factor tree
Powers
The second power of 19812 is 3.924.361.
The third power of 19813 is 7.774.159.141.
Roots
The square root √1981 is 44,508426.
The cube root of 3√1981 is 12,559186.
Logarithms
The natural logarithm of No. ln 1981 = loge 1981 = 7,591357.
The logarithm to base 10 of No. log10 1981 = 3,296884.
The Napierian logarithm of No. log1/e 1981 = -7,591357.
Trigonometric functions
The cosine of 1981 is -0,223917.The sine of 1981 is 0,974608.
The tangent of 1981 is -4,352538.
Properties of the number 1981
Number 1981 in Computer Science
| Code type | Code value |
|---|---|
| PIN 1981 | If 1981 is your year of birth, it is not recommended that you use 1981 as your password or PIN. |
| 1981 Number of bytes | 1.9KB |
| Unix time | Unix time 1981 is equal to Thursday Jan. 1, 1970, 12:33:01 a.m. GMT |
| IPv4, IPv6 | Number 1981 internet address in dotted format v4 0.0.7.189, v6 ::7bd |
| 1981 Decimal | = 11110111101 Binary |
| 1981 Decimal | = 2201101 Ternary |
| 1981 Decimal | = 3675 Octal |
| 1981 Decimal | = 7BD Hexadecimal (0x7bd hex) |
| 1981 BASE64 | MTk4MQ== |
| 1981 MD5 | b3b4d2dbedc99fe843fd3dedb02f086f |
| 1981 SHA1 | ea1b37da89c9714afa6e8264911e12813c480b40 |
| 1981 SHA224 | e2fd7e63d81f63fbb4ecbd2887b0ef659592af4ccb3060caac0974a3 |
| 1981 SHA256 | a78f19952edd18bf02b3c9eb704b088e2120941d6acb22f6f795c42796e60252 |
| 1981 SHA384 | 572b91b323c3909d715aeacf3303f8142ac525dd06e869a06a8a52b62085afee22926b5b7faa38a7f13057799eba9241 |
| More SHA codes related to the number 1981 ... | |
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Numerology 1981
The meaning of the number 1 (one), numerology 1
Character frequency 1: 2
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
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The meaning of the number 9 (nine), numerology 9
Character frequency 9: 1
The number 9 (nine) is the sign of ideals, Universal interest and the spirit of combat for humanitarian purposes. It symbolizes the inner Light, prioritizing ideals and dreams, experienced through emotions and intuition. It represents the ascension to a higher degree of consciousness and the ability to display love for others. He/she is creative, idealistic, original and caring.
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the the number 9 (nine), numerology 9
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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.
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the the number 8 (eight), numerology 8
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№ 1,981 in other languages
How to say or write the number one thousand, nine hundred and eighty-one in Spanish, German, French and other languages.
The character used as the thousands separator.
| Spanish: | 🔊 (número 1.981) | mil novecientos ochenta y uno |
| German: | 🔊 (Nummer 1.981) | eintausendneunhunderteinundachtzig |
| French: | 🔊 (nombre 1 981) | mille neuf cent quatre-vingt-un |
| Portuguese: | 🔊 (número 1 981) | mil, novecentos e oitenta e um |
| Hindi: | 🔊 (संख्या 1 981) | एक हज़ार, नौ सौ, इक्यासी |
| Chinese: | 🔊 (数 1 981) | 一千九百八十一 |
| Arabian: | 🔊 (عدد 1,981) | واحد ألف و تسعمائةواحد و ثمانون |
| Czech: | 🔊 (číslo 1 981) | tisíc devětset osmdesát jedna |
| Korean: | 🔊 (번호 1,981) | 천구백팔십일 |
| Danish: | 🔊 (nummer 1 981) | ettusinde og nihundrede og enogfirs |
| Hebrew: | (מספר 1,981) | אלף תשע מאות שמונים ואחת |
| Dutch: | 🔊 (nummer 1 981) | duizendnegenhonderdeenentachtig |
| Japanese: | 🔊 (数 1,981) | 千九百八十一 |
| Indonesian: | 🔊 (jumlah 1.981) | seribu sembilan ratus delapan puluh satu |
| Italian: | 🔊 (numero 1 981) | millenovecentottantuno |
| Norwegian: | 🔊 (nummer 1 981) | en tusen, ni hundre og åtti-en |
| Polish: | 🔊 (liczba 1 981) | tysiąc dziewięćset osiemdziesiąt jeden |
| Russian: | 🔊 (номер 1 981) | одна тысяча девятьсот восемьдесят один |
| Turkish: | 🔊 (numara 1,981) | bindokuzyüzseksenbir |
| Thai: | 🔊 (จำนวน 1 981) | หนึ่งพันเก้าร้อยแปดสิบเอ็ด |
| Ukrainian: | 🔊 (номер 1 981) | одна тисяча дев'ятсот вісімдесят один |
| Vietnamese: | 🔊 (con số 1.981) | một nghìn chín trăm tám mươi mốt |
| Other languages ... | ||
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Frequently asked questions about the number 1981
How do you write the number 1981 in words?
1981 can be written as "one thousand, nine hundred and eighty-one".
Number 1981 in News
| France24: Critics blast new French PM Barnier for having twice voted against gay rights
French media and some political opponents of freshly appointed Prime Minister Michel Barnier quickly dug up that, while serving in parliament in 1981, he had been among 155 lawmakers who voted against a law decriminalizing homosexuality. Sept. 7, 2024 |
| France24: France pays tribute to Badinter, ex-justice minister who fought to abolish death penalty
French President Emmanuel Macron on Wednesday led a national tribute to former French justice minister Robert Badinter, who dedicated his life to the fight against capital punishment, playing a pivotal role in banning the dreaded guillotine in 1981. The French president announced that Badinter would be laid to rest in … Feb. 14, 2024 |
| BBC: Diana's jumper fetches more than $1m at auction
The jumper caused a stir - and speculation about the black sheep's symbolism - before her 1981 wedding. Sept. 14, 2023 |
| NyTimes: Ukraine Replaces the Soviet Symbol on the Motherland Monument
The Motherland Monument — a 335-foot-tall stainless steel behemoth towering over Ukraine’s capital — was unveiled in 1981 and designed to assert Soviet invincibility. Aug. 7, 2023 |
| France24: Climate crisis: Miami coastline losing ground to rising sea levels
Today is World Oceans Day. Global warming is causing sea levels to rise, and Miami is one of the US cities most vulnerable to this phenomenon. The sea level in south Florida has risen by 20cm since 1981 and is expected to continue rising. Even with optimal emission reduction efforts … June 8, 2023 |