21361

Number 21361 is an odd five-digits composite number and natural number following 21360 and preceding 21362.

Properties of the number 21361

Nominal	21361
Cardinal	twenty-one thousand three hundred sixty-one
Cardinal twenty-one thousand three hundred sixty-one
Ordinal	21,361st
Number of digits	5
Sum of digits	13
Product of digits	36
Number parity	Odd

Previous number is 21360

Next number is 21362

Calculation was done in 0.0000448227 seconds

Prime Factorization of 21361

Prime factorization	41 x 521
Prime factors	41, 521
Number of distinct prime factors ω(n)	2
Total number of prime factors Ω(n)	2
Sum of prime factors	562
Product of prime factors	21361

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Divisors of 21361

List of proper divisors	1, 41, 521
List of all dividers	1, 41, 521, 21361
Number of divisors d(n)	4
Sum of all divisors σ(n)	21924
Aliquot sum	563
21361 is a deficient number , since it is larger than the sum of its proper divisors (563). Its deficiency is 20798.

Calculation was done in 0.0000281334 seconds

Prime numbers

Is 21361 a prime number?	No
Is 21361 a semiprime number?	Yes
Is 21361 a Chen prime number?	No
Is 21361 a Mersenne prime number?	No

Previous prime is 21347

Next prime is 21377

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Sequences

Is 21361 a Catalan number?	No
Is 21361 a Fibonacci number?	No
Is 21361 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.

21361 is not a Happy number

21361 is not a Humble number

21361 is not a Münchhausen number

21361 is not a Perfect number

21361 is not a Perfect square

21361 is not a Palindrome

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Numeric Bases of 21361

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	101001101110001₂
3	Ternary	1002022011₃
4	Quaternary	11031301₄
5	Quinary	1140421₅
6	Senary	242521₆
7	Septenary	116164₇
8	Octal	51561₈
9	Nonary	32264₉
10	Decimal	21361
12	Duodecimal	10441₁₂
16	Hexadecimal	5371₁₆
20	Vigesimal	2d81₂₀
36	Base36	ghd₃₆
60	Sexagesimal	5u1₆₀

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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 21361 (n²)	456292321
Cube of 21361 (n³)	9746860268881
Square root of 21361	146.15402833997
Natural Logarithm (ln) of 21361	9.9693221084577
Decimal Logarithm (log) of 21361	4.3296215800193

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Trigonometry

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

Sine of 21361	-0.96658300796041
Cosecant of 21361	-1.0345722941169
Cosine of 21361	-0.25635383500587
Secant of 21361	-3.9008583584369
Tangent of 21361	3.7705034057255
Cotangent of 21361	0.26521657518768

Calculation was done in 0.0000159740 seconds

Number parity

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

Is 21361 an Even Number?

Is 21361 an Odd Number?

Yes, the number 21361 is an odd number.

Total number of all odd numbers from 1 to 21361 is 10681

Sum of all the odd numbers from 1 to 21361 are 114083761

The sum of all odd numbers is a perfect square: 114083761 = 10681

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 21359

Next odd number is 21363

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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 21361 in words is "twenty-one thousand three hundred sixty-one", meaning that:

21361 is not an aban number (as it contains the letter a)

21361 is not an eban number (as it contains the letter e)

21361 is not an iban number (as it contains the letter i)

21361 is not an oban number (as it contains the letter o)

21361 is not a tban number (as it contains the letter t)

21361 is not an uban number (as it contains the letter u)

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Numeral systems

How to write 21361 in other number systems?

Bengali numerals	২১৩৬১
Eastern Arabic numerals	٢١٬٣٦١
Hieroglyphs numeralsused in Ancient Egypt	𓂭𓂭𓆼𓍤𓎋𓏺
Khmer numerals	២១៣៦១
Japanese numerals	二万千三百六十一
Roman numerals	n/a
Thai numerals	๒๑๓๖๑

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Translation

How do you say 21361 in 38 different languages?

Arabic	واحد و عشرون ألف و ثلاثة مائة و واحد و ستون
Croatian	dvadeset i jedna tisuća tristo šezdeset i jedan
Czech	dvacet jedna tisíc tři sta šedesát jeden
Danish	en og tyve tusinde tre hundrede en og tres
Dutch	éénentwintigduizend driehonderdéénenzestig
Estonian	akpe blaeve vɔ ɖekɛ alafa etɔ̃ blaade vɔ ɖekɛ
Faroese	tjúgoeitt tusin og trýhundraðogsekstiein
Filipino	dalawáng pû’t isáng libó’t tatlóng daán at anim na pû’t isá
Finnish	kaksikymmentäyksituhattakolmesataakuusikymmentäyksi
French	vingt et un mille trois cent soixante et un
Greek	είκοσι μία χίλιάδες τριακόσια εξήντα ένα
German	einundzwanzigtausenddreihunderteinundsechzig
Hebrew	עשרים ואחד אלף שלוש מאות שישים ואחת
Hindi	इक्कीस हज़ार तीन सौ इकसठ
Hungarian	huszonegyezerháromszázhatvanegy
Icelandic	tuttugu og eitt þúsund og þrjúhundrað og sextíu og einn
Indonesian	dua puluh satu ribu tiga ratus enam puluh satu
Italian	ventunomilatrecentosessantuno
Japanese	二万千三百六十一
Korean	이만 천삼백육십일
Latvian	divdesmit viens tūkstoši trīssimt sešdesmit viens
Lithuanian	dvidešimt vienas tūkstantis trys šimtai šešiasdešimt vienas
Norwegian	tjueett tusen tre hundre og sekstién
Persian	بیست و یک هزار و سیصد و شصت و یک
Polish	dwadzieścia jeden tysięcy trzysta sześćdziesiąt jeden
Portuguese	vinte e um mil trezentos e sessenta e um
Romanian	douăzeci şi una mii trei sute şasezeci şi unu
Russian	двадцать одна тысяча триста шестьдесят один
Serbian	двадесет и једна хиљада триста шездесет и један
Slovak	dvadsaťjedna tisíc tristo šesťdesiatjeden
Slovene	dvaset ena tisuću tristo šestdeset ena
Spanish	veintiún mil trescientos sesenta y uno
Swahili	elfu ishirini na moja, mia tatu na sitini na moja
Swedish	tjugoentusentrehundrasextioen
Thai	สองหมื่นหนึ่งพันสามร้อยหกสิบเอ็ด
Turkish	yirmi bir bin üç yüz altmış bir
Ukrainian	двадцять одна тисяча триста шістдесят один
Vietnamese	hai mươi mốt nghìn ba trăm sáu mươi mốt

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Miscellaneous

Number 21361 reversed	16312
Unicode Character	U+5371	危
Unix Timestamp	Thu, 01 Jan 1970 05:56:01 +0000

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