21842

Number 21842 is an even five-digits composite number and natural number following 21841 and preceding 21843.

Properties of the number 21842

Nominal	21842
Cardinal	twenty-one thousand eight hundred forty-two
Cardinal twenty-one thousand eight hundred forty-two
Ordinal	21,842nd
Number of digits	5
Sum of digits	17
Product of digits	128
Number parity	Even

Previous number is 21841

Next number is 21843

Calculation was done in 0.0000350475 seconds

Prime Factorization of 21842

Prime factorization	2 x 67 x 163
Prime factors	2, 67, 163
Number of distinct prime factors ω(n)	3
Total number of prime factors Ω(n)	3
Sum of prime factors	232
Product of prime factors	21842

Calculation was done in 0.0000240803 seconds

Divisors of 21842

List of proper divisors	1, 2, 67, 134, 163, 326, 10921
List of all dividers	1, 2, 67, 134, 163, 326, 10921, 21842
Number of divisors d(n)	8
Sum of all divisors σ(n)	33456
Aliquot sum	11614
21842 is a deficient number , since it is larger than the sum of its proper divisors (11614). Its deficiency is 10228.

Calculation was done in 0.0000309944 seconds

Prime numbers

Is 21842 a prime number?	No
Is 21842 a semiprime number?	No
Is 21842 a Chen prime number?	No
Is 21842 a Mersenne prime number?	No

Previous prime is 21841

Next prime is 21851

Calculation was done in 0.0466639996 seconds

Sequences

Is 21842 a Catalan number?	No
Is 21842 a Fibonacci number?	No
Is 21842 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.

21842 is not a Happy number

21842 is not a Humble number

21842 is not a Münchhausen number

21842 is not a Perfect number

21842 is not a Perfect square

21842 is not a Palindrome

Calculation was done in 0.0048711300 seconds

Numeric Bases of 21842

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.

Base	System	Value
2	Binary	101010101010010₂
3	Ternary	1002221222₃
4	Quaternary	11111102₄
5	Quinary	1144332₅
6	Senary	245042₆
7	Septenary	120452₇
8	Octal	52522₈
9	Nonary	32858₉
10	Decimal	21842
12	Duodecimal	10782₁₂
16	Hexadecimal	5552₁₆
20	Vigesimal	2ec2₂₀
36	Base36	guq₃₆
60	Sexagesimal	642₆₀

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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 21842 (n²)	477072964
Cube of 21842 (n³)	10420227679688
Square root of 21842	147.79039210991
Natural Logarithm (ln) of 21842	9.9915900007577
Decimal Logarithm (log) of 21842	4.3392924027688

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 21842	0.99703112171606
Cosecant of 21842	1.0029777187685
Cosine of 21842	-0.076999625516122
Secant of 21842	-12.98707614871
Tangent of 21842	-12.94851910036
Cotangent of 21842	-0.077228908746191

Calculation was done in 0.0000200272 seconds

Number parity

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

Is 21842 an Even Number?

Yes, the number 21842 is an even number.

Is 21842 an Odd Number?

Previous even number is 21840

Next even number is 21844

Calculation was done in 0.0000071526 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 21842 in words is "twenty-one thousand eight hundred forty-two", meaning that:

21842 is not an aban number (as it contains the letter a)

21842 is not an eban number (as it contains the letter e)

21842 is not an iban number (as it contains the letter i)

21842 is not an oban number (as it contains the letter o)

21842 is not a tban number (as it contains the letter t)

21842 is not an uban number (as it contains the letter u)

Calculation was done in 0.0000028610 seconds

Numeral systems

How to write 21842 in other number systems?

Bengali numerals	২১৮৪২
Eastern Arabic numerals	٢١٬٨٤٢
Hieroglyphs numeralsused in Ancient Egypt	𓂭𓂭𓆼𓍩𓎉𓏻
Khmer numerals	២១៨៤២
Japanese numerals	二万千八百四十二
Roman numerals	n/a
Thai numerals	๒๑๘๔๒

Calculation was done in 0.0001521111 seconds

Translation

How do you say 21842 in 38 different languages?

Arabic	واحد و عشرون ألف و ثمانية مائة و إثنان و أربعون
Croatian	dvadeset i jedna tisuća osamsto četrdeset i dva
Czech	dvacet jedna tisíc osm set čtyřicet dva
Danish	en og tyve tusinde otte hundrede to og fyrre
Dutch	éénentwintigduizend achthonderdtweeenveertig
Estonian	akpe blaeve vɔ ɖekɛ alafa enyi blaene vɔ eve
Faroese	tjúgoeitt tusin og áttahundraðogfýratitveir
Filipino	dalawáng pû’t isáng libó’t walóng daán at ápat na pû’t dalawá
Finnish	kaksikymmentäyksituhattakahdeksansataaneljäkymmentäkaksi
French	vingt et un mille huit cent quarante-deux
Greek	είκοσι μία χίλιάδες οκτακόσια σαράντα δύο
German	einundzwanzigtausendachthundertzweiundvierzig
Hebrew	עשרים ואחד אלף שמונה מאות ארבעים ושתיים
Hindi	इक्कीस हज़ार आठ सौ बयालीस
Hungarian	huszonegyezernyolcszáznegyvenkettő
Icelandic	tuttugu og eitt þúsund og áttahundrað og fjörutíu og tveir
Indonesian	dua puluh satu ribu delapan ratus empat puluh dua
Italian	ventunomilaottocentoquarantadue
Japanese	二万千八百四十二
Korean	이만 천팔백사십이
Latvian	divdesmit viens tūkstoši astoņsimt četrdesmit divi
Lithuanian	dvidešimt vienas tūkstantis aštuoni šimtai keturiasdešimt du
Norwegian	tjueett tusen åtte hundre og førtito
Persian	بیست و یک هزار و هشتصد و چهل و دو
Polish	dwadzieścia jeden tysięcy osiemset czterdzieści dwa
Portuguese	vinte e um mil oitocentos e quarenta e dois
Romanian	douăzeci şi una mii opt sute patruzeci şi doi
Russian	двадцать одна тысяча восемьсот сорок два
Serbian	двадесет и једна хиљада осамсто четрдесет и два
Slovak	dvadsaťjedna tisíc osemsto štyridsaťdva
Slovene	dvaset ena tisuću osemsto štirideset dva
Spanish	veintiún mil ochocientos cuarenta y dos
Swahili	elfu ishirini na moja, mia nane na arobaini na mbili
Swedish	tjugoentusenåttahundrafyrtiotvå
Thai	สองหมื่นหนึ่งพันแปดร้อยสี่สิบสอง
Turkish	yirmi bir bin sekiz yüz kırk iki
Ukrainian	двадцять одна тисяча вісімсот сорок два
Vietnamese	hai mươi mốt nghìn tám trăm bốn mươi hai

Calculation was done in 0.0159461498 seconds

Miscellaneous

Number 21842 reversed	24812
Unicode Character	U+5552	啒
Unix Timestamp	Thu, 01 Jan 1970 06:04:02 +0000

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