Number 99 facts
The odd number 99 is spelled 🔊, and written in words: ninety-nine. The ordinal number 99th is said 🔊 and written as: ninety-ninth. The meaning of the number 99 in Maths: Is it Prime? Factorization and prime factors tree. The square root and cube root of 99. What is 99 in computer science, numerology, codes and images, photo art, writing and naming in other languages. Other interesting facts, videos, news related to 99. ‹‹ 98 100 ››
Interesting facts about the number 99

Asteroids
- (99) Dike is asteroid number 99. It was discovered by A. L. N. Borrelly from Marseille Observatory on 5/28/1868.
Aircrafts and flights
- The Ninety-Nines: International Organization of Women Pilots, also known as The 99s, is an international organization that provides networking, mentoring, and flight scholarship opportunities to recreational and professional female pilots. Founded in 1929.
- 07/28/1950 the Panair do Brasil plane, flight number 099, Lockheed Constellation crashed in São Leopoldo, Brazil 44 passengers and 7 crew members died.
Areas, mountains and surfaces
- The total area of Kerguelen (main island) is 2,555 square miles (6,617 square km). Country French Southern and Antarctic Lands, overseas territory of France. 99th largest island in the world.
Distances
- There is a 99 miles (159 km) direct distance between Bangalore (India) and Salem (India).
- There is a 99 miles (159 km) direct distance between Datong (China) and Hohhot (China).
- There is a 62 miles (99 km) direct distance between Changchun (China) and Jilin (China).
- There is a 62 miles (99 km) direct distance between Ilorin (Nigeria) and Oyo (Nigeria).
- More distances ...
- There is a 99 miles (159 km) direct distance between Teni (India) and Tiruchirappalli (India).
Games
History and politics
- United Nations Security Council Resolution number 99, adopted 12 August 1953. Resignation of judge and election to the International Court of Justice. Resolution text.
Mathematics
- 99 is the largest number that is equal to the sum of its digits plus the product of its digits: 99 = 9 + 9 + 9 * 9
- 99 is the smallest number for which the digital sum contains the same distinct digits as the digital product but the digital sum is not equal to the digital product
- 99 is a Kaprekar number.
Music
- '99' is a song by the British rock band Fightstar. '99' is also a song by the Spanish singer Ruth Lorenzo.
- Toto - 99 (Official Video)
- '99 Ways to Die 'is a Grammy-nominated song that was recorded for The Beavis and Butt-head Experience.
- '99 Problems ', in Spanish '99 problems', is the third single released by American rapper Jay-Z.
- '99 Times ', in Spanish '99 Times', is the single by singer Kate Voegele.
- '99 Percenters ', in Spanish '99 percent', is a single by the industrial metal band Ministry.
- More music ...
- '99 Revolutions ', in Spanish '99 Revolutions', is a song by the American punk band Green Day.
Science
- Einsteinium is the chemical element in the periodic table that has the symbol Es and atomic number 99.
Sports
- The best athletes to wear number 99
Wayne Gretzky, NHL; George Mikan, NBA; Warren Sapp, NFL; Dan Hampton, NFL
Please write us
If you know something interesting about the number 99 or any natural number (positive integer), please write to us.What is 99 in other units
The number 99 converted to a Mayan number is |
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Decimal and Mayan number conversions. |
Weight conversion
99 kilograms (kg) = 218.3 pounds (lbs)
99 pounds (lbs) = 44.9 kilograms (kg)
Length conversion
99 kilometers (km) equals to 61.516 miles (mi).
99 miles (mi) equals to 159.325 kilometers (km).
99 meters (m) equals to 159.325 feet (ft).
99 feet (ft) equals 30.176 meters (m).
99 centimeters (cm) equals to 39.0 inches (in).
99 inches (in) equals to 251.5 centimeters (cm).
Temperature conversion
99° Fahrenheit (°F) equals to 37.2° Celsius (°C)
99° Celsius (°C) equals to 210.2° Fahrenheit (°F)
Power conversion
99 Horsepower (hp) equals to 72.80 kilowatts (kW)
99 kilowatts (kW) equals to 134.62 horsepower (hp)
Time conversion
(hours, minutes, seconds, days, weeks)99 seconds equals to 1 minute, 39 seconds
99 minutes equals to 1 hour, 39 minutes
Codes and images of the number 99
Number 99 morse code: ----. ----.Sign language for number 99:


Number 99 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 99 infographic![]() |
Year 99 AD
- Musonius Rufus, Roman philosopher, died.
- Kush King Kanishka, under whose reign the kingdom reaches its peak, sent a delegation to Rome to devise a surprise attack against Parthia.
Gregorian, Hebrew, Islamic, Persian and Buddhist Year (Calendar)
Gregorian year 99 is Buddhist year 642.Buddhist year 99 is Gregorian year 444 a. C.
Gregorian year 99 is Islamic year -539 or -538.
Islamic year 99 is Gregorian year 717 or 718.
Gregorian year 99 is Persian year -524 or -523.
Persian year 99 is Gregorian 720 or 721.
Gregorian year 99 is Hebrew year 3859 or 3860.
Hebrew year 99 is Gregorian year 3661 a. C.
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 99 is not a prime number. The closest prime numbers are 97, 101.
The 99th prime number in order is 523.
Factorization and factors (dividers)
The prime factors of 99 are 3 * 3 * 11
The factors of 99 are 1, 3, 9, 11, 33, 99.
Total factors 6.
Sum of factors 156 (57).
Prime factor tree
Powers
The second power of 992 is 9.801.
The third power of 993 is 970.299.
Roots
The square root √99 is 9,949874.
The cube root of 3√99 is 4,626065.
Logarithms
The natural logarithm of No. ln 99 = loge 99 = 4,59512.
The logarithm to base 10 of No. log10 99 = 1,995635.
The Napierian logarithm of No. log1/e 99 = -4,59512.
Trigonometric functions
The cosine of 99 is 0,039821.The sine of 99 is -0,999207.
The tangent of 99 is -25,092535.
Number 99 in Computer Science
Code type | Code value |
---|---|
ASCII Html | c Lowercase c c (ISO 8859-1 Characters) |
Unix time | Unix time 99 is equal to Thursday Jan. 1, 1970, 12:01:39 a.m. GMT |
IPv4, IPv6 | Number 99 internet address in dotted format v4 0.0.0.99, v6 ::63 |
99 Decimal | = 1100011 Binary |
99 Decimal | = 10200 Ternary |
99 Decimal | = 143 Octal |
99 Decimal | = 63 Hexadecimal (0x63 hex) |
99 BASE64 | OTk= |
99 MD5 | ac627ab1ccbdb62ec96e702f07f6425b |
99 SHA1 | 9a79be611e0267e1d943da0737c6c51be67865a0 |
99 SHA224 | 8a1c55283fd2fc15f72ad8c88c9dcc447f528814a41bf2a7ab51950a |
99 SHA256 | 8c1f1046219ddd216a023f792356ddf127fce372a72ec9b4cdac989ee5b0b455 |
99 SHA384 | 2451e6d24262cac3c1456edb78b624b11061ad572609e0086827e6010a7697e07374c4c215e809dad5bf75f697c91617 |
More SHA codes related to the number 99 ... |
If you know something interesting about the 99 number that you did not find on this page, do not hesitate to write us here.
Numerology 99
More about numerology 99 ...
№ 99 in other languages
Spanish: | 🔊 (número 99) | noventa y nueve |
German: | 🔊 (Nummer 99) | neunundneunzig |
French: | 🔊 (nombre 99) | quatre-vingt-dix-neuf |
Portuguese: | 🔊 (número 99) | noventa e nove |
Hindi: | 🔊 (संख्या 99) | निन्यानवे |
Chinese: | 🔊 (数 99) | 九十九 |
Arabian: | 🔊 (عدد 99) | تسعة و تسعون |
Czech: | 🔊 (číslo 99) | devadesát devět |
Korean: | 🔊 (번호 99) | 구십구 |
Danish: | 🔊 (nummer 99) | nioghalvfems |
Hebrew: | (מספר 99) | תשעים ותשע |
Dutch: | 🔊 (nummer 99) | negenennegentig |
Japanese: | 🔊 (数 99) | 九十九 |
Indonesian: | 🔊 (jumlah 99) | sembilan puluh sembilan |
Italian: | 🔊 (numero 99) | novantanove |
Norwegian: | 🔊 (nummer 99) | nitti-ni |
Polish: | 🔊 (liczba 99) | dziewięćdzisiąt dziewięć |
Russian: | 🔊 (номер 99) | девяносто девять |
Turkish: | 🔊 (numara 99) | doksandokuz |
Thai: | 🔊 (จำนวน 99) | เก้าสิบเก้า |
Ukrainian: | 🔊 (номер 99) | дев'яносто дев'ять |
Vietnamese: | 🔊 (con số 99) | chín mươi chín |
Other languages ... |
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Frequently asked questions about the number 99
How do you write the number 99 in words?
99 can be written as "ninety-nine".
Number 99 in News
BBC: We married for £100 with 99 other couples and wouldn't change a thing
To mark a centenary of ceremonies Old Marylebone Town Hall married 100 couples for £100. Oct. 5, 2024 |
BBC: How well do you remember Southgate's 99 England games?
Gareth Southgate is approaching his 100th game, so it is time to test your knowledge of the England boss. July 5, 2024 |
The Sydney Morning Herald: Guterres invokes Article 99 over threat to world peace and security
The UN Secretary General used a rare provision to warn the Security Council of a complete breakdown of public order, raising the ire of Israel. Dec. 7, 2023 |
BBC: Five potential outcomes of AI in 99 seconds
The BBC spoke to various experts about the dangers artificial intelligence could pose. June 16, 2023 |
The Sydney Morning Herald: British Conservatives revolt over COVID curbs, telling Boris Johnson ‘he’s got to change’
Some 99 Conservatives opposed plans for the COVID passes, a much higher number of rebels than was expected. Dec. 15, 2021 |