Number 221 facts
The odd number 221 is spelled 🔊, and written in words: two hundred and twenty-one. The ordinal number 221st is said 🔊 and written as: two hundred and twenty-first. Phone prefix +221 or 00221. The meaning of the number 221 in Maths: Is it Prime? Factorization and prime factors tree. The square root and cube root of 221. What is 221 in computer science, numerology, codes and images, writing and naming in other languages. Other interesting facts related to 221.
Interesting facts about the number 221
Asteroids
- (221) Eos is asteroid number 221. It was discovered by J. Palisa from Vienna Observatory on 1/18/1882.
Aircrafts and flights
- 08/26/1981 the Aeropesca Colombia plane, flight number 221, Vickers Viscount 745D crashed in Garzón, Colombia 44 passengers and 6 crew members died.
Areas, mountains and surfaces
- The total area of Bely Island is 700 square miles (1,810 square km). Country Russia (Yamalo-Nenets Autonomous Okrug). 221th largest island in the world.
Distances between cities
- There is a 221 miles (355 km) direct distance between Dalian (China) and Shenyang (China).
- There is a 138 miles (221 km) direct distance between Dombivli (India) and Sūrat (India).
- There is a 138 miles (221 km) direct distance between Gujrānwāla (Pakistan) and Srinagar (India).
- There is a 138 miles (221 km) direct distance between Gwangju (South Korea) and Ulsan (South Korea).
- More distances between cities ...
- There is a 221 miles (355 km) direct distance between Klang (Malaysia) and Kota Bharu (Malaysia).
- There is a 221 miles (355 km) direct distance between Lomé (Togo) and Oyo (Nigeria).
- There is a 221 miles (355 km) direct distance between Mumbai (India) and Solāpur (India).
- There is a 221 miles (355 km) direct distance between Munich (Germany) and Vienna (Austria).
- There is a 138 miles (221 km) direct distance between Qingdao (China) and Zibo (China).
Food
- The food additive E-221 Sodium Sulfite, Sodium Sulfite, Na Sulfite of chemical origin is classified as a preservative. According to some websites the additive E-221 is considered suspicious.
Games
- Pokémon Piloswine (Inomū, Inomoo) is a Pokémon number # 221 of the National Pokédex. Piloswine is ice and ground type Pokémon in the second generation. It is a Field Egg group Pokémon. The indexes ontros of Piloswine are Johto index 192 , Sinnoh index 204 , Kalos Center index 077 - Pokédex Mountain Area, Teselia index 259 .
History and politics
- United Nations Security Council Resolution number 221, adopted 9 April 1966. The Beira Patrol in Southern Rhodesia. Resolution text.
In other fields
- The Sherlock Holmes Museum is situated at 221B Baker Street, London, one of the world's most famous addresses.
- If you deal 2 cards from a single deck of 52 cards, you have a 1 in 221 chance of getting 2 aces
Mathematics
- 221 is the 11th centered square number
Example of 4th centered square number with 25 dots. - 221 is the number of Hamiltonian planar graphs with 7 vertices.
Mobile and telephony
- Number 221 or +221 or 00221 is a dial the international call prefix for Senegal. (00/+) is dial the international call prefix.
Please write us
If you know something interesting about the number 221 or any natural number (positive integer), please write to us.What is 221 in other units
The number 221 converted to a Mayan number is | |
Decimal and Mayan number conversions. |
Weight conversion
221 kilograms (kg) = 487.2 pounds (lbs)
221 pounds (lbs) = 100.2 kilograms (kg)
Length conversion
221 kilometers (km) equals to 137.323 miles (mi).
221 miles (mi) equals to 355.665 kilometers (km).
221 meters (m) equals to 355.665 feet (ft).
221 feet (ft) equals 67.362 meters (m).
221 centimeters (cm) equals to 87.0 inches (in).
221 inches (in) equals to 561.3 centimeters (cm).
Temperature conversion
221° Fahrenheit (°F) equals to 105° Celsius (°C)
221° Celsius (°C) equals to 429.8° Fahrenheit (°F)
Power conversion
221 Horsepower (hp) equals to 162.52 kilowatts (kW)
221 kilowatts (kW) equals to 300.52 horsepower (hp)
Time conversion
(hours, minutes, seconds, days, weeks)221 seconds equals to 3 minutes, 41 seconds
221 minutes equals to 3 hours, 41 minutes
Codes and images of the number 221
Number 221 morse code: ..--- ..--- .----Sign language for number 221:
Number 221 in braille:
Images of the number | |
Image (1) of the number | Image (2) of the number |
More images, other sizes, codes and colors ... | |
Number 221 infographic |
Year 221 AD
Gregorian, Hebrew, Islamic, Persian and Buddhist Year (Calendar)
Gregorian year 221 is Buddhist year 764.Buddhist year 221 is Gregorian year 322 a. C.
Gregorian year 221 is Islamic year -413 or -412.
Islamic year 221 is Gregorian year 835 or 836.
Gregorian year 221 is Persian year -402 or -401.
Persian year 221 is Gregorian 842 or 843.
Gregorian year 221 is Hebrew year 3981 or 3982.
Hebrew year 221 is Gregorian year 3539 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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Mathematics of no. 221
Multiplications
Multiplication table of 221
221 multiplied by two equals 442 (221 x 2 = 442).
221 multiplied by three equals 663 (221 x 3 = 663).
221 multiplied by four equals 884 (221 x 4 = 884).
221 multiplied by five equals 1105 (221 x 5 = 1105).
221 multiplied by seven equals 1547 (221 x 7 = 1547).
221 multiplied by eight equals 1768 (221 x 8 = 1768).
221 multiplied by nine equals 1989 (221 x 9 = 1989).
Fractions: decimal fraction and common fraction
Fraction table of 221
Half of 221 is 110,5 (221 / 2 = 110,5 = 110 1/2).
One third of 221 is 73,6667 (221 / 3 = 73,6667 = 73 2/3).
One quarter of 221 is 55,25 (221 / 4 = 55,25 = 55 1/4).
One fifth of 221 is 44,2 (221 / 5 = 44,2 = 44 1/5).
One seventh of 221 is 31,5714 (221 / 7 = 31,5714 = 31 4/7).
One eighth of 221 is 27,625 (221 / 8 = 27,625 = 27 5/8).
One ninth of 221 is 24,5556 (221 / 9 = 24,5556 = 24 5/9).
Calculator
221 | ||||
Advanced math operations
Is Prime?
The number 221 is not a prime number. The closest prime numbers are 211, 223.
The 221st prime number in order is 1381.
Factorization and factors (dividers)
The prime factors of 221 are 13 * 17
The factors of 221 are 1, 13, 17, 221.
Total factors 4.
Sum of factors 252 (31).
Prime factor tree
Powers
The second power of 221^{2} is 48.841.
The third power of 221^{3} is 10.793.861.
Roots
The square root √221 is 14,866069.
The cube root of ^{3}√221 is 6,045944.
Logarithms
The natural logarithm of No. ln 221 = log_{e} 221 = 5,398163.
The logarithm to base 10 of No. log_{10} 221 = 2,344392.
The Napierian logarithm of No. log_{1/e} 221 = -5,398163.
Trigonometric functions
The cosine of 221 is 0,463802.The sine of 221 is 0,885939.
The tangent of 221 is 1,910165.
Number 221 in Computer Science
Code type | Code value |
---|---|
Html | Ý LATIN CAPITAL LETTER Y WITH ACUTE Ý Ý (Miscellaneous HTML entities) |
Unix time | Unix time 221 is equal to Thursday Jan. 1, 1970, 12:03:41 a.m. GMT |
IPv4, IPv6 | Number 221 internet address in dotted format v4 0.0.0.221, v6 ::dd |
221 Decimal | = 11011101 Binary |
221 Decimal | = 22012 Ternary |
221 Decimal | = 335 Octal |
221 Decimal | = DD Hexadecimal (0xdd hex) |
221 BASE64 | MjIx |
221 MD5 | 060ad92489947d410d897474079c1477 |
221 SHA1 | 9a70776c743352cfcf688e52512673332e5e4007 |
221 SHA224 | 54523e81e94b91d34a5d09c25111bfaface2c500a9a34ddd7834250f |
221 SHA256 | 67e9c3acebb154a282f326d4ff1951cd1f342e58e74d562b556b517da5e56132 |
221 SHA384 | 22645af034d32e118c6aa700fe43afdfd068819d42d8742bc4ff337b19065b5b1bacc4cf476f42f8464e5168f8412d78 |
More SHA codes related to the number 221 ... |
If you know something interesting about the 221 number that you did not find on this page, do not hesitate to write us here.
Numerology 221
The meaning of the number 2 (two), numerology 2
Character frequency 2: 2
The number 2 (two) is also the symbol of balance, togetherness and receptivity. He/she is a good partner, colleague or companion; he/she also plays a wonderful role as a referee or mediator. Number 2 person is modest, sincere, spiritually influenced and a good diplomat. It represents intuition and vulnerability.
The meaning of the number 1 (one), numerology 1
Character frequency 1: 1
№ 221 in other languages
Spanish: | 🔊 (número 221) | doscientos veintiuno |
German: | 🔊 (Nummer 221) | zweihunderteinundzwanzig |
French: | 🔊 (nombre 221) | deux cent vingt et un |
Portuguese: | 🔊 (número 221) | duzentos e vinte e um |
Hindi: | 🔊 (संख्या 221) | दो सौ, इक्कीस |
Chinese: | 🔊 (数 221) | 二百二十一 |
Arabian: | 🔊 (عدد 221) | مئتان و واحد و عشرون |
Czech: | 🔊 (číslo 221) | dvěstě dvacet jedna |
Korean: | 🔊 (번호 221) | 이백이십일 |
Danish: | 🔊 (nummer 221) | tohundrede og enogtyve |
Hebrew: | (מספר 221) | מאתיים עשרים ואחת |
Dutch: | 🔊 (nummer 221) | tweehonderdeenentwintig |
Japanese: | 🔊 (数 221) | 二百二十一 |
Indonesian: | 🔊 (jumlah 221) | dua ratus dua puluh satu |
Italian: | 🔊 (numero 221) | duecentoventuno |
Norwegian: | 🔊 (nummer 221) | to hundre og tjue-en |
Polish: | 🔊 (liczba 221) | dwieście dwadzieścia jeden |
Russian: | 🔊 (номер 221) | двести двадцать один |
Turkish: | 🔊 (numara 221) | ikiyüzyirmibir |
Thai: | 🔊 (จำนวน 221) | สองร้อยยี่สิบเอ็ด |
Ukrainian: | 🔊 (номер 221) | двісті двадцять один |
Vietnamese: | 🔊 (con số 221) | hai trăm hai mươi mốt |
Other languages ... |
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Frequently asked questions about the number 221
How do you write the number 221 in words?
221 can be written as "two hundred and twenty-one".