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21872

Number 21872 is an even five-digits composite number and natural number following 21871 and preceding 21873.

Properties of the number 21872

Nominal21872
Cardinaltwenty-one thousand eight hundred seventy-two
Cardinal
twenty-one thousand eight hundred seventy-two
Ordinal21,872nd
Number of digits5
Sum of digits20
Product of digits224
Number parityEven
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Prime Factorization of 21872

Prime factorization2 x 2 x 2 x 2 x 1367
Prime factorization in exponent form24 x 1367
Prime factors2, 1367
Number of distinct prime factors ω(n)2
Total number of prime factors Ω(n)5
Sum of prime factors1369
Product of prime factors2734
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Divisors of 21872

List of proper divisors 1, 2, 4, 8, 16, 1367, 2734, 5468, 10936
List of all dividers1, 2, 4, 8, 16, 1367, 2734, 5468, 10936, 21872
Number of divisors d(n)10
Sum of all divisors σ(n)42408
Aliquot sum 20536
21872 is a deficient number , since it is larger than the sum of its proper divisors (20536). Its deficiency is 1336.
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Prime numbers

Is 21872 a prime number?No
Is 21872 a semiprime number?No
Is 21872 a Chen prime number?No
Is 21872 a Mersenne prime number?No
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Sequences

Is 21872 a Catalan number?No
Is 21872 a Fibonacci number?No
Is 21872 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.
21872 is not a Happy number
21872 is not a Humble number
21872 is not a Münchhausen number
21872 is not a Perfect number
21872 is not a Perfect square
21872 is not a Palindrome
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Numeric Bases of 21872

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
2Binary1010101011100002
3Ternary10100000023
4Quaternary111113004
5Quinary11444425
6Senary2451326
7Septenary1205247
8Octal525608
9Nonary330029
10Decimal21872
12Duodecimal107a812
16Hexadecimal557016
20Vigesimal2edc20
36Base36gvk36
60Sexagesimal64W60
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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 21872 (n2)478384384
Cube of 21872 (n3)10463223246848
Square root of 21872147.89185237869
Natural Logarithm (ln) of 218729.9929625589637
Decimal Logarithm (log) of 218724.3398884972237
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Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 218720.22987156116098
Cosecant of 218724.3502553989255
Cosine of 218720.97322097458358
Secant of 218721.0275158736975
Tangent of 218720.23619667800454
Cotangent of 218724.2337597990298
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Number parity

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

Is 21872 an Even Number?

Yes, the number 21872 is an even number.

Is 21872 an Odd Number?

No
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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 21872 in words is "twenty-one thousand eight hundred seventy-two", meaning that:
21872 is not an aban number (as it contains the letter a)
21872 is not an eban number (as it contains the letter e)
21872 is not an iban number (as it contains the letter i)
21872 is not an oban number (as it contains the letter o)
21872 is not a tban number (as it contains the letter t)
21872 is not an uban number (as it contains the letter u)
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Numeral systems

How to write 21872 in other number systems?
Bengali numerals২১৮৭২
Eastern Arabic numerals٢١٬٨٧٢
Hieroglyphs numeralsused in Ancient Egypt𓂭𓂭𓆼𓍩𓎌𓏻
Khmer numerals២១៨៧២
Japanese numerals二万千八百七十二
Roman numeralsn/a
Thai numerals๒๑๘๗๒
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Translation

How do you say 21872 in 38 different languages?
Arabicواحد و عشرون ألف و ثمانية مائة و إثنان و سبعون
Croatiandvadeset i jedna tisuća osamsto sedamdeset i dva
Czechdvacet jedna tisíc osm set sedmdesát dva
Danish en og tyve tusinde otte hundrede to og halvfjerds
Dutchéénentwintigduizend achthonderdtweeenzeventig
Estonianakpe blaeve vɔ ɖekɛ alafa enyi blaadre vɔ eve
Faroesetjúgo­eitt tusin og átta­hundrað­og­sjeyti­tveir
Filipinodalawáng pû’t isáng libó’t walóng daán at pitóng pû’t dalawá
Finnishkaksi­kymmentä­yksi­tuhatta­kahdeksan­sataa­seitsemän­kymmentä­kaksi
Frenchvingt et un mille huit cent soixante-douze
Greekείκοσι μία χίλιάδες οκτακόσια εβδομήντα δύο
Germanein­und­zwanzig­tausend­acht­hundert­zwei­und­siebzig
Hebrewעשרים ואחד אלף שמונה מאות שבעים ושתיים
Hindiइक्कीस हज़ार आठ सौ बहत्तर
Hungarianhuszon­egy­ezer­nyolc­száz­hetven­kettő
Icelandictuttugu og eitt þúsund og átta­hundrað og sjötíu og tveir
Indonesiandua puluh satu ribu delapan ratus tujuh puluh dua
Italianventunomilaottocentosettantadue
Japanese二万千八百七十二
Korean이만 천팔백칠십이
Latviandivdesmit viens tūkstoši astoņsimt septiņdesmit divi
Lithuaniandvidešimt vienas tūkstantis aštuoni šimtai septyniasdešimt du
Norwegiantjue­ett tusen åtte hundre og sytti­to
Persianبیست و یک هزار و هشتصد و هفتاد و دو
Polishdwadzieścia jeden tysięcy osiemset siedemdziesiąt dwa
Portuguesevinte e um mil oitocentos e setenta e dois
Romaniandouăzeci şi una mii opt sute şaptezeci şi doi
Russianдвадцать одна тысяча восемьсот семьдесят два
Serbianдвадесет и једна хиљада осамсто седамдесет и два
Slovakdvadsať­jedna tisíc osem­sto sedemdesiat­dva
Slovenedvaset ena tisuću osemsto sedemdeset dva
Spanish veintiún mil ochocientos setenta y dos
Swahilielfu ishirini na moja, mia nane na sabini na mbili
Swedishtjugoentusenåttahundrasjutiotvå
Thaiสอง​หมื่น​หนึ่ง​พัน​แปด​ร้อย​เจ็ด​สิบ​สอง
Turkishyirmi bir bin sekiz yüz yetmiş iki
Ukrainianдвадцять одна тисяча вісімсот сімдесят два
Vietnamesehai mươi mốt nghìn tám trăm bảy mươi hai
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Miscellaneous

Number 21872 reversed27812
Unicode CharacterU+5570
Unix TimestampThu, 01 Jan 1970 06:04:32 +0000
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