Number 491 facts
The odd number 491 is spelled 🔊, and written in words: four hundred and ninety-one. The ordinal number 491st is said 🔊 and written as: four hundred and ninety-first. The meaning of the number 491 in Maths: Is it Prime? Factorization and prime factors tree. The square root and cube root of 491. What is 491 in computer science, numerology, codes and images, photo art, writing and naming in other languages. Other interesting facts related to 491. ‹‹ 490 492 ››
Interesting facts about the number 491

Asteroids
- (491) Carina is asteroid number 491. It was discovered by M. F. Wolf from Heidelberg-Königstuhl Observatory on 9/3/1902.
Aircrafts and flights
- 04/26/1993 the Indian Airlines plane, flight number 491, Boeing 737-2A8 crashed in Aurangabad, India 53 passengers and 2 crew members died.
Distances
- There is a 491 miles (790 km) direct distance between Alīgarh (India) and Vadodara (India).
- There is a 491 miles (789 km) direct distance between Baghdad (Iraq) and Zarqa (Jordan).
- There is a 491 miles (790 km) direct distance between Busan (South Korea) and Qingdao (China).
- There is a 491 miles (789 km) direct distance between Daejeon (South Korea) and Shanghai (China).
- More distances ...
- There is a 491 miles (789 km) direct distance between Gwalior (India) and Multān (Pakistan).
- There is a 491 miles (790 km) direct distance between Gwalior (India) and Ranchi (India).
- There is a 306 miles (491 km) direct distance between Hamburg (Germany) and Prague (Czech Republic).
- There is a 306 miles (491 km) direct distance between Hanoi (Viet Nam) and Zhongshan (China).
- There is a 306 miles (491 km) direct distance between Huainan (China) and Qingdao (China).
- There is a 306 miles (491 km) direct distance between Indore (India) and Thāne (India).
- There is a 491 miles (789 km) direct distance between Jodhpur (India) and Lucknow (India).
- There is a 491 miles (789 km) direct distance between Kobe (Japan) and Suwon-si (South Korea).
- There is a 306 miles (491 km) direct distance between Los Angeles (USA) and San Jose (USA).
- There is a 306 miles (491 km) direct distance between Nagoya-shi (Japan) and Sendai (Japan).
- There is a 491 miles (789 km) direct distance between Nagpur (India) and Patna (India).
- There is a 491 miles (790 km) direct distance between Puyang (China) and Tai’an (China).
- There is a 491 miles (789 km) direct distance between Shanghai (China) and Taichung (Taiwan).
- There is a 306 miles (491 km) direct distance between Shijiazhuang (China) and Tongshan (China).
- There is a 491 miles (790 km) direct distance between Tai’an (China) and Xianyang (China).
Food
- The food additive E-491 Spans, Sorbitans of chemical origin is classified as a stabilizer. According to some websites the additive E-491 is considered suspicious.
Games
- Pokémon Darkrai (Dākurai) is a Pokémon number # 491 of the National Pokédex. Darkrai is Sinister-type Pokémon in the fourth generation. It is an egg group Pokémon None. The other indexes of Darkrai are.
History and politics
- United Nations Security Council Resolution number 491, adopted 23 September 1981. Admission of Belize to the United Nations. Resolution text.
Mathematics
- 491 is the smallest number n so that the largest prime factors of the numbers n through n+4 decrease.
Religions
- There are many different pigrimage routes to Camino de Santiago. Each one offers a unique cultural and spiritual experience and days of walking. One of them is the Camino Francés and it is 790 km (491 miles) long.
Superstructures
- WJJY TV Mast height 1,611 feet (491 m), was built in the year 1969 in Bluffs, Illinois United States. collapsed in 1978 Type of construction: Guyed mast. GPS location 39°45′51″N 90°30′55″W / 39.76417°N 90.51528°W / 39.76417; -90.51528 (WJJY TV Mast ( collapsed)) .
- Media General Tower Jackson height 1,611 feet (491 m), was built in the year 1989 in Jackson, Mississippi United States. Type of construction: Guyed mast. GPS location 32°14′27.0″N 90°24′15″W / 32.240833°N 90.40417°W / 32.240833; -90.40417 (Media General Tower Jackson) .
- WHNS TV-Tower height 1,611 feet (491 m), was built in the year 2001 in Brevard, North Carolina United States. Type of construction: Guyed mast. GPS location 35°10′56.0″N 82°40′55.0″W / 35.182222°N 82.681944°W / 35.182222; -82.681944 (WHNS TV-Tower) .
- KOBR-TV Tower height 1,610 feet (490.7 m), was built in the year 1956 in Caprock, New Mexico United States. also known as KSWS-TV Transmitter, World's tallest structure, 1956–1959, collapsed in 1960 at storm, rebuilt afterwards Type of construction: Guyed mast. GPS location 33°22′31.31″N 103°46′14.3″W / 33.3753639°N 103.770639°W / 33.3753639; -103.770639 (KOBR-TV Tower) .
Please write us
If you know something interesting about the number 491 or any natural number (positive integer), please write to us.What is 491 in other units
The number 491 converted to a Mayan number is |
![]() |
Decimal and Mayan number conversions. |
Weight conversion
491 kilograms (kg) = 1082.5 pounds (lbs)
491 pounds (lbs) = 222.7 kilograms (kg)
Length conversion
491 kilometers (km) equals to 305.093 miles (mi).
491 miles (mi) equals to 790.188 kilometers (km).
491 meters (m) equals to 1611 feet (ft).
491 feet (ft) equals 149.659 meters (m).
491 centimeters (cm) equals to 193.3 inches (in).
491 inches (in) equals to 1247.1 centimeters (cm).
Temperature conversion
491° Fahrenheit (°F) equals to 255° Celsius (°C)
491° Celsius (°C) equals to 915.8° Fahrenheit (°F)
Power conversion
491 Horsepower (hp) equals to 361.08 kilowatts (kW)
491 kilowatts (kW) equals to 667.66 horsepower (hp)
Time conversion
(hours, minutes, seconds, days, weeks)491 seconds equals to 8 minutes, 11 seconds
491 minutes equals to 8 hours, 11 minutes
Codes and images of the number 491
Number 491 morse code: ....- ----. .----Sign language for number 491:



Number 491 in braille:
Images of the number | |
Image (1) of the number | Image (2) of the number |
![]() |
![]() |
More images, other sizes, codes and colors ... | |
Number 491 infographic![]() |
Year 491 AD
- Peter the Iberian, Georgian monk died.
- Zeno I, Eastern Roman emperor died.
- Anastasius I became Eastern Roman emperor.
- AElle conquered the fortified Roman town of Anderida through siegecraft.
Gregorian, Hebrew, Islamic, Persian and Buddhist Year (Calendar)
Gregorian year 491 is Buddhist year 1034.Buddhist year 491 is Gregorian year 52 a. C.
Gregorian year 491 is Islamic year -135 or -134.
Islamic year 491 is Gregorian year 1097 or 1098.
Gregorian year 491 is Persian year -132 or -131.
Persian year 491 is Gregorian 1112 or 1113.
Gregorian year 491 is Hebrew year 4251 or 4252.
Hebrew year 491 is Gregorian year 3269 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.
Share in social networks

Advanced math operations
Is Prime?
The number 491 is a prime number. The closest prime numbers are 487, 499.
The 491st prime number in order is 3517.
Factorization and factors (dividers)
The prime factors of 491
Prime numbers have no prime factors smaller than themselves.
The factors of 491 are 1, 491.
Total factors 2.
Sum of factors 492 (1).
Prime factor tree
491 is a prime number.
Powers
The second power of 4912 is 241.081.
The third power of 4913 is 118.370.771.
Roots
The square root √491 is 22,15852.
The cube root of 3√491 is 7,889095.
Logarithms
The natural logarithm of No. ln 491 = loge 491 = 6,196444.
The logarithm to base 10 of No. log10 491 = 2,691081.
The Napierian logarithm of No. log1/e 491 = -6,196444.
Trigonometric functions
The cosine of 491 is 0,612524.The sine of 491 is 0,790452.
The tangent of 491 is 1,290482.
Number 491 in Computer Science
Code type | Code value |
---|---|
Html 5 | ǫ LATIN SMALL LETTER O WITH OGONEK ǫ (Miscellaneous HTML entities) |
Unix time | Unix time 491 is equal to Thursday Jan. 1, 1970, 12:08:11 a.m. GMT |
IPv4, IPv6 | Number 491 internet address in dotted format v4 0.0.1.235, v6 ::1eb |
491 Decimal | = 111101011 Binary |
491 Decimal | = 200012 Ternary |
491 Decimal | = 753 Octal |
491 Decimal | = 1EB Hexadecimal (0x1eb hex) |
491 BASE64 | NDkx |
491 MD5 | 559cb990c9dffd8675f6bc2186971dc2 |
491 SHA1 | 014a1aa3f7a2c6578a3fa48e3dd84f775925489f |
491 SHA224 | 3b81a400567eedcf50f1ab38ffac28b989dc01dc54b1f33c553d78c8 |
491 SHA256 | 227445a988500528d7826c6921d2e3b4a79ccf3a94cc3bcf7b667e3ae4990b36 |
491 SHA384 | 3efbd86f21353c720399488d4b56ca7a2f7547aa766e67afe5c2e3ae60c412f57b62614d5cb8df62bd2957025fc5bd8f |
More SHA codes related to the number 491 ... |
If you know something interesting about the 491 number that you did not find on this page, do not hesitate to write us here.
Numerology 491
More about numerology 491 ...
№ 491 in other languages
Spanish: | 🔊 (número 491) | cuatrocientos noventa y uno |
German: | 🔊 (Nummer 491) | vierhunderteinundneunzig |
French: | 🔊 (nombre 491) | quatre cent quatre-vingt-onze |
Portuguese: | 🔊 (número 491) | quatrocentos e noventa e um |
Hindi: | 🔊 (संख्या 491) | चार सौ, इक्यानवे |
Chinese: | 🔊 (数 491) | 四百九十一 |
Arabian: | 🔊 (عدد 491) | أربعمائةواحد و تسعون |
Czech: | 🔊 (číslo 491) | čtyřista devadesát jedna |
Korean: | 🔊 (번호 491) | 사백구십일 |
Danish: | 🔊 (nummer 491) | firehundrede og enoghalvfems |
Hebrew: | (מספר 491) | ארבע מאות תשעים ואחת |
Dutch: | 🔊 (nummer 491) | vierhonderdeenennegentig |
Japanese: | 🔊 (数 491) | 四百九十一 |
Indonesian: | 🔊 (jumlah 491) | empat ratus sembilan puluh satu |
Italian: | 🔊 (numero 491) | quattrocentonovantuno |
Norwegian: | 🔊 (nummer 491) | fire hundre og nitti-en |
Polish: | 🔊 (liczba 491) | czterysta dziewięćdzisiąt jeden |
Russian: | 🔊 (номер 491) | четыреста девяносто один |
Turkish: | 🔊 (numara 491) | dörtyüzdoksanbir |
Thai: | 🔊 (จำนวน 491) | สี่ร้อยเก้าสิบเอ็ด |
Ukrainian: | 🔊 (номер 491) | чотириста дев'яносто один |
Vietnamese: | 🔊 (con số 491) | bốn trăm chín mươi mốt |
Other languages ... |
News to email
Comment
The content of the comments is the opinion of the users and not of number.academy. It is not allowed to pour comments contrary to the laws, insulting, illegal or harmful to third parties. Number.academy reserves the right to remove or not publish any inappropriate comment. It also reserves the right to publish a comment on another topic. Privacy Policy.
Frequently asked questions about the number 491
Is 491 prime and why?
The number 491 is a prime number because its divisors are: 1, 491.
How do you write the number 491 in words?
491 can be written as "four hundred and ninety-one".