21481

Number 21481 is an odd five-digits prime number and natural number following 21480 and preceding 21482.

Properties of the number 21481

Nominal	21481
Cardinal	twenty-one thousand four hundred eighty-one
Cardinal twenty-one thousand four hundred eighty-one
Ordinal	21,481st
Number of digits	5
Sum of digits	16
Product of digits	64
Number parity	Odd

Previous number is 21480

Next number is 21482

Calculation was done in 0.0000410080 seconds

Prime Factorization of 21481

Prime factorization	21481
Prime factors	21481
Number of distinct prime factors ω(n)	1
Total number of prime factors Ω(n)	1
Sum of prime factors	21481
Product of prime factors	21481

Calculation was done in 0.0018188953 seconds

Divisors of 21481

List of proper divisors	1
List of all dividers	1, 21481
Number of divisors d(n)	2
Sum of all divisors σ(n)	21482
Aliquot sum	1
21481 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 21480.

Calculation was done in 0.0000269413 seconds

Prime numbers

Is 21481 a prime number?	Yes
Is 21481 a semiprime number?	No
Is 21481 a Chen prime number?	No
Is 21481 a Mersenne prime number?	No

Previous prime is 21467

Next prime is 21487

Calculation was done in 0.1720349789 seconds

Sequences

Is 21481 a Catalan number?	No
Is 21481 a Fibonacci number?	No
Is 21481 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.

21481 is a Happy number

21481 is not a Humble number

21481 is not a Münchhausen number

21481 is not a Perfect number

21481 is not a Perfect square

21481 is not a Palindrome

Calculation was done in 0.0021820068 seconds

Numeric Bases of 21481

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	101001111101001₂
3	Ternary	1002110121₃
4	Quaternary	11033221₄
5	Quinary	1141411₅
6	Senary	243241₆
7	Septenary	116425₇
8	Octal	51751₈
9	Nonary	32417₉
10	Decimal	21481
12	Duodecimal	10521₁₂
16	Hexadecimal	53e9₁₆
20	Vigesimal	2de1₂₀
36	Base36	gkp₃₆
60	Sexagesimal	5w1₆₀

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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 21481 (n²)	461433361
Cube of 21481 (n³)	9912050027641
Square root of 21481	146.56397920362
Natural Logarithm (ln) of 21481	9.974924102474
Decimal Logarithm (log) of 21481	4.3320544951082

Calculation was done in 0.0000059605 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.

Sine of 21481	-0.93581539523581
Cosecant of 21481	-1.068586822883
Cosine of 21481	0.35249049070811
Secant of 21481	2.8369559643755
Tangent of 21481	-2.6548670670686
Cotangent of 21481	-0.37666669356224

Calculation was done in 0.0000181198 seconds

Number parity

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

Is 21481 an Even Number?

Is 21481 an Odd Number?

Yes, the number 21481 is an odd number.

Total number of all odd numbers from 1 to 21481 is 10741

Sum of all the odd numbers from 1 to 21481 are 115369081

The sum of all odd numbers is a perfect square: 115369081 = 10741

An odd number is any integer (a whole number) that cannot be divided by 2 evenly. Odd numbers are the opposite of even numbers.

Previous odd number is 21479

Next odd number is 21483

Calculation was done in 0.0000069141 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 21481 in words is "twenty-one thousand four hundred eighty-one", meaning that:

21481 is not an aban number (as it contains the letter a)

21481 is not an eban number (as it contains the letter e)

21481 is not an iban number (as it contains the letter i)

21481 is not an oban number (as it contains the letter o)

21481 is not a tban number (as it contains the letter t)

21481 is not an uban number (as it contains the letter u)

Calculation was done in 0.0000030994 seconds

Numeral systems

How to write 21481 in other number systems?

Bengali numerals	২১৪৮১
Eastern Arabic numerals	٢١٬٤٨١
Hieroglyphs numeralsused in Ancient Egypt	𓂭𓂭𓆼𓍥𓎍𓏺
Khmer numerals	២១៤៨១
Japanese numerals	二万千四百八十一
Roman numerals	n/a
Thai numerals	๒๑๔๘๑

Calculation was done in 0.0001621246 seconds

Translation

How do you say 21481 in 38 different languages?

Arabic	واحد و عشرون ألف و أربعة مائة و واحد و ثمانون
Croatian	dvadeset i jedna tisuća četiristo osamdeset i jedan
Czech	dvacet jedna tisíc čtyři sta osmdesát jeden
Danish	en og tyve tusinde fire hundrede en og firs
Dutch	éénentwintigduizend vierhonderdéénentachtig
Estonian	akpe blaeve vɔ ɖekɛ alafa ene blaenyi vɔ ɖekɛ
Faroese	tjúgoeitt tusin og fýrehundraðogáttatiein
Filipino	dalawáng pû’t isáng libó’t ápat na daán at walóng pû’t isá
Finnish	kaksikymmentäyksituhattaneljäsataakahdeksankymmentäyksi
French	vingt et un mille quatre cent quatre-vingt-un
Greek	είκοσι μία χίλιάδες τετρακόσια ογδόντα ένα
German	einundzwanzigtausendvierhunderteinundachtzig
Hebrew	עשרים ואחד אלף ארבע מאות שמונים ואחת
Hindi	इक्कीस हज़ार चार सौ इक्यासी
Hungarian	huszonegyezernégyszáznyolcvanegy
Icelandic	tuttugu og eitt þúsund og fjögurhundrað og áttatíu og einn
Indonesian	dua puluh satu ribu empat ratus delapan puluh satu
Italian	ventunomilaquattrocentoottantuno
Japanese	二万千四百八十一
Korean	이만 천사백팔십일
Latvian	divdesmit viens tūkstoši četrsimt astoņdesmit viens
Lithuanian	dvidešimt vienas tūkstantis keturi šimtai aštuoniasdešimt vienas
Norwegian	tjueett tusen fire hundre og åttién
Persian	بیست و یک هزار و چهارصد و هشتاد و یک
Polish	dwadzieścia jeden tysięcy czterysta osiemdziesiąt jeden
Portuguese	vinte e um mil quatrocentos e oitenta e um
Romanian	douăzeci şi una mii patru sute optzeci şi unu
Russian	двадцать одна тысяча четыреста восемьдесят один
Serbian	двадесет и једна хиљада четиристо осамдесет и један
Slovak	dvadsaťjedna tisíc štyristo osemdesiatjeden
Slovene	dvaset ena tisuću štiristo osemdeset ena
Spanish	veintiún mil cuatrocientos ochenta y uno
Swahili	elfu ishirini na moja, mia nne na themanini na moja
Swedish	tjugoentusenfyrahundraåttioen
Thai	สองหมื่นหนึ่งพันสี่ร้อยแปดสิบเอ็ด
Turkish	yirmi bir bin dört yüz seksen bir
Ukrainian	двадцять одна тисяча чотириста вісімдесят один
Vietnamese	hai mươi mốt nghìn bốn trăm tám mươi mốt

Calculation was done in 0.0228860378 seconds

Miscellaneous

Number 21481 reversed	18412
Unicode Character	U+53E9	叩
Unix Timestamp	Thu, 01 Jan 1970 05:58:01 +0000

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