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21123

Number 21123 is an odd five-digits composite number and natural number following 21122 and preceding 21124.

Properties of the number 21123

Nominal21123
Cardinaltwenty-one thousand one hundred twenty-three
Cardinal
twenty-one thousand one hundred twenty-three
Ordinal21,123rd
Number of digits5
Sum of digits9
Product of digits12
Number parityOdd
Calculation was done in 0.0000369549 seconds

Prime Factorization of 21123

Prime factorization3 x 3 x 2347
Prime factorization in exponent form32 x 2347
Prime factors3, 2347
Number of distinct prime factors ω(n)2
Total number of prime factors Ω(n)3
Sum of prime factors2350
Product of prime factors7041
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Divisors of 21123

List of proper divisors 1, 3, 9, 2347, 7041
List of all dividers1, 3, 9, 2347, 7041, 21123
Number of divisors d(n)6
Sum of all divisors σ(n)30524
Aliquot sum 9401
21123 is a deficient number , since it is larger than the sum of its proper divisors (9401). Its deficiency is 11722.
Calculation was done in 0.0000219345 seconds

Prime numbers

Is 21123 a prime number?No
Is 21123 a semiprime number?No
Is 21123 a Chen prime number?No
Is 21123 a Mersenne prime number?No
Calculation was done in 0.0196399689 seconds

Sequences

Is 21123 a Catalan number?No
Is 21123 a Fibonacci number?No
Is 21123 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.
21123 is a Happy number
21123 is not a Humble number
21123 is not a Münchhausen number
21123 is not a Perfect number
21123 is not a Perfect square
21123 is not a Palindrome
Calculation was done in 0.0024700165 seconds

Numeric Bases of 21123

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
2Binary1010010100000112
3Ternary10012221003
4Quaternary110220034
5Quinary11334435
6Senary2414436
7Septenary1154047
8Octal512038
9Nonary318709
10Decimal21123
12Duodecimal1028312
16Hexadecimal528316
20Vigesimal2cg320
36Base36gar36
60Sexagesimal5q360
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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 21123 (n2)446181129
Cube of 21123 (n3)9424683987867
Square root of 21123145.33753816547
Natural Logarithm (ln) of 211239.9581177731872
Decimal Logarithm (log) of 211234.3247555990379
Calculation was done in 0.0000038147 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 21123-0.87672125839267
Cosecant of 21123-1.1406133824488
Cosine of 211230.48099878906539
Secant of 211232.0790073129769
Tangent of 21123-1.8227099076407
Cotangent of 21123-0.54863365574963
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Number parity

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

Is 21123 an Even Number?

No

Is 21123 an Odd Number?

Yes, the number 21123 is an odd number.
Total number of all odd numbers from 1 to 21123 is 10562
Sum of all the odd numbers from 1 to 21123 are 111555844
The sum of all odd numbers is a perfect square: 111555844 = 10562
An odd number is any integer (a whole number) that cannot be divided by 2 evenly. Odd numbers are the opposite of even numbers.
Calculation was done in 0.0000050068 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 21123 in words is "twenty-one thousand one hundred twenty-three", meaning that:
21123 is not an aban number (as it contains the letter a)
21123 is not an eban number (as it contains the letter e)
21123 is an iban number (a number without the letter i)
21123 is not an oban number (as it contains the letter o)
21123 is not a tban number (as it contains the letter t)
21123 is not an uban number (as it contains the letter u)
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Numeral systems

How to write 21123 in other number systems?
Bengali numerals২১১২৩
Eastern Arabic numerals٢١٬١٢٣
Hieroglyphs numeralsused in Ancient Egypt𓂭𓂭𓆼𓍢𓎇𓏼
Khmer numerals២១១២៣
Japanese numerals二万千百二十三
Roman numeralsn/a
Thai numerals๒๑๑๒๓
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Translation

How do you say 21123 in 38 different languages?
Arabicواحد و عشرون ألف و مائة و ثلاثة و عشرون
Croatiandvadeset i jedna tisuća sto dvadeset i tri
Czechdvacet jedna tisíc sto dvacet tři
Danish en og tyve tusinde et hundrede tre og tyve
Dutchéénentwintigduizend honderddrieentwintig
Estonianakpe blaeve vɔ ɖekɛ alafa ɖeka blaeve vɔ etɔ̃
Faroesetjúgo­eitt tusin og eitt­hundrað­og­tjúgo­tríggir
Filipinodalawáng pû’t isáng libó’t isáng daán at dalawáng pû’t tatló
Finnishkaksi­kymmentä­yksi­tuhatta­sata­kaksi­kymmentä­kolme
Frenchvingt et un mille cent vingt-trois
Greekείκοσι μία χίλιάδες εκατόν είκοσι τρία
Germanein­und­zwanzig­tausend­ein­hundert­drei­und­zwanzig
Hebrewעשרים ואחד אלף מאה עשרים ושלוש
Hindiइक्कीस हज़ार एक सौ तेईस
Hungarianhuszon­egy­ezer­száz­huszon­három
Icelandictuttugu og eitt þúsund og eitt­hundrað og tuttugu og þrír
Indonesiandua puluh satu ribu seratus dua puluh tiga
Italianventunomilacentoventitre
Japanese二万千百二十三
Korean이만 천백이십삼
Latviandivdesmit viens tūkstoši simt divdesmit trīs
Lithuaniandvidešimt vienas tūkstantis šimtas dvidešimt trys
Norwegiantjue­ett tusen hundre og tjue­tre
Persianبیست و یک هزار و صد و بیست و سه
Polishdwadzieścia jeden tysięcy sto dwadzieścia trzy
Portuguesevinte e um mil cento e vinte e três
Romaniandouăzeci şi una mii una sută douăzeci şi trei
Russianдвадцать одна тысяча сто двадцать три
Serbianдвадесет и једна хиљада сто двадесет и три
Slovakdvadsať­jedna tisíc jedna­sto dvadsať­tri
Slovenedvaset ena tisuću sto dvaset tri
Spanish veintiún mil ciento veintitres
Swahilielfu ishirini na moja, mia moja na ishirini na tatu
Swedishtjugoentusenenhundratjugotre
Thaiสอง​หมื่น​หนึ่ง​พัน​หนึ่ง​ร้อย​ยี่​สิบ​สาม
Turkishyirmi bir bin yüz yirmi üç
Ukrainianдвадцять одна тисяча сто двадцять три
Vietnamesehai mươi mốt nghìn một trăm hai mươi ba
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Miscellaneous

Number 21123 reversed32112
Unicode CharacterU+5283
Unix TimestampThu, 01 Jan 1970 05:52:03 +0000
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