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1918

Number 1918 is an even four-digits composite number and natural number following 1917 and preceding 1919.

Properties of the number 1918

Nominal1918
Cardinalone thousand nine hundred eighteen
Cardinal
one thousand nine hundred eighteen
Ordinal1,918th
Number of digits4
Sum of digits19
Product of digits72
Number parityEven
Calculation was done in 0.0000448227 seconds

Prime Factorization of 1918

Prime factorization2 x 7 x 137
Prime factors2, 7, 137
Number of distinct prime factors ω(n)3
Total number of prime factors Ω(n)3
Sum of prime factors146
Product of prime factors1918
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Divisors of 1918

List of proper divisors 1, 2, 7, 14, 137, 274, 959
List of all dividers1, 2, 7, 14, 137, 274, 959, 1918
Number of divisors d(n)8
Sum of all divisors σ(n)3312
Aliquot sum 1394
1918 is a deficient number , since it is larger than the sum of its proper divisors (1394). Its deficiency is 524.
Calculation was done in 0.0000209808 seconds

Prime numbers

Is 1918 a prime number?No
Is 1918 a semiprime number?No
Is 1918 a Chen prime number?No
Is 1918 a Mersenne prime number?No
Calculation was done in 0.0003798008 seconds

Sequences

Is 1918 a Catalan number?No
Is 1918 a Fibonacci number?No
Is 1918 a Idoneal number?No
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Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
1918 is not a Happy number
1918 is not a Humble number
1918 is not a Münchhausen number
1918 is not a Perfect number
1918 is not a Perfect square
1918 is not a Palindrome
Calculation was done in 0.0129461288 seconds

Numeric Bases of 1918

In mathematics, a base or radix of a numeral system is the number of unique digits, including zero, used to represent numbers in that system.
BaseSystemValue
2Binary111011111102
3Ternary21220013
4Quaternary1313324
5Quinary301335
6Senary125146
7Septenary54107
8Octal35768
9Nonary25619
10Decimal1918
12Duodecimal113a12
16Hexadecimal77e16
20Vigesimal4fi20
36Base361ha36
60SexagesimalVw60
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Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
Square of 1918 (n2)3678724
Cube of 1918 (n3)7055792632
Square root of 191843.794976880916
Natural Logarithm (ln) of 19187.5590382554434
Decimal Logarithm (log) of 19183.2828486028346
Calculation was done in 0.0000050068 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 19180.998336682652
Cosecant of 19181.001666088582
Cosine of 1918-0.057652997072098
Secant of 1918-17.345152043864
Tangent of 1918-17.316301551566
Cotangent of 1918-0.057749052072241
Calculation was done in 0.0000159740 seconds

Number parity

Parity is the property of an integer of whether it is even or odd.

Is 1918 an Even Number?

Yes, the number 1918 is an even number.

Is 1918 an Odd Number?

No
Calculation was done in 0.0000059605 seconds

Ban number

In recreational mathematics, a ban number is a number that does not contain a particular letter when spelled out in English; in other words, the letter is "banned".
The spelling of 1918 in words is "one thousand nine hundred eighteen", meaning that:
1918 is not an aban number (as it contains the letter a)
1918 is not an eban number (as it contains the letter e)
1918 is not an iban number (as it contains the letter i)
1918 is not an oban number (as it contains the letter o)
1918 is not a tban number (as it contains the letter t)
1918 is not an uban number (as it contains the letter u)
Calculation was done in 0.0000030994 seconds

Numeral systems

How to write 1918 in other number systems?
Bengali numerals১৯১৮
Eastern Arabic numerals١٬٩١٨
Hieroglyphs numeralsused in Ancient Egypt𓆼𓍪𓎆𓐁
Khmer numerals១៩១៨
Japanese numerals千九百十八
Roman numeralsMCMXVIII
Thai numerals๑๙๑๘
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Translation

How do you say 1918 in 38 different languages?
Arabicألف و تسعة مائة و ثمانية عشر
Croatiantisuću devetsto osamnaest
Czechjedna tisíc devět set osmnáct
Danish et tusind ni hundrede atten
Dutchduizend negenhonderdachttien
Estonianakpe ɖeka alafa asieke kple wuienyi
Faroeseeitt tusin og níggju­hundrað­og­átjan
Filipinoisáng libó’t siyám na daán at labíng-waló
Finnishtuhat­yhdeksän­sataa­kahdeksantoista
Frenchmille neuf cent dix-huit
Greekχίλια εννιακόσια δεκα­οκτώ
Germanein­tausend­neun­hundert­achtzehn
Hebrewאלף תשע מאות ושמונה עשרה
Hindiएक हज़ार नौ सौ अठारह
Hungarianezer­kilenc­száz­tizen­nyolc
Icelandiceitt þúsund og níu­hundrað og átján
Indonesianseribu sembilan ratus delapan belas
Italianmillenovecentodiciotto
Japanese千九百十八
Korean천구백십팔
Latviantūkstoš deviņsimt astoņpadsmit
Lithuaniantūkstantis devyni šimtai aštuoniolika
Norwegiantusen ni hundre og atten
Persianیک هزار و نهصد و هجده
Polishtysiąc dziewięćset osiemnaście
Portuguesemil novecentos e dezoito
Romanianuna mie nouă sute optsprezece
Russianодна тысяча девятьсот восемнадцать
Serbianједна хиљаду деветсто осамнаест
Slovakjedna tisíc deväť­sto osemnásť
Slovenetisuću devetsto asemnajst
Spanish mil novecientos dieciocho
Swahilielfu moja, mia tisa na kumi na nane
Swedishentusenniohundraarton
Thaiหนึ่ง​พัน​เก้า​ร้อย​สิบ​แปด
Turkishbin dokuz yüz on sekiz
Ukrainianодна тисяча девʼятсот вісімнадцять
Vietnamesemột nghìn chín trăm mười tám
Calculation was done in 0.0233349800 seconds

Miscellaneous

Number 1918 reversed8191
Unicode CharacterU+077Eݾ
Unix TimestampThu, 01 Jan 1970 00:31:58 +0000
Calculation was done in 0.0000309944 seconds
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