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21397

Number 21397 is an odd five-digits prime number and natural number following 21396 and preceding 21398.

Properties of the number 21397

Nominal21397
Cardinaltwenty-one thousand three hundred ninety-seven
Cardinal
twenty-one thousand three hundred ninety-seven
Ordinal21,397th
Number of digits5
Sum of digits22
Product of digits378
Number parityOdd
Calculation was done in 0.0000350475 seconds

Prime Factorization of 21397

Prime factorization21397
Prime factors21397
Number of distinct prime factors ω(n)1
Total number of prime factors Ω(n)1
Sum of prime factors21397
Product of prime factors21397
Calculation was done in 0.0020270348 seconds

Divisors of 21397

List of proper divisors 1
List of all dividers1, 21397
Number of divisors d(n)2
Sum of all divisors σ(n)21398
Aliquot sum 1
21397 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 21396.
Calculation was done in 0.0000288486 seconds

Prime numbers

Is 21397 a prime number?Yes
Is 21397 a semiprime number?No
Is 21397 a Chen prime number?No
Is 21397 a Mersenne prime number?No
Calculation was done in 0.2002789974 seconds

Sequences

Is 21397 a Catalan number?No
Is 21397 a Fibonacci number?No
Is 21397 a Idoneal number?No
Calculation was done in 0.0000109673 seconds

Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
21397 is not a Happy number
21397 is not a Humble number
21397 is not a Münchhausen number
21397 is not a Perfect number
21397 is not a Perfect square
21397 is not a Palindrome
Calculation was done in 0.0115180016 seconds

Numeric Bases of 21397

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
2Binary1010011100101012
3Ternary10021001113
4Quaternary110321114
5Quinary11410425
6Senary2430216
7Septenary1162457
8Octal516258
9Nonary323149
10Decimal21397
12Duodecimal1047112
16Hexadecimal539516
20Vigesimal2d9h20
36Base36gid36
60Sexagesimal5ub60
Calculation was done in 0.0000290871 seconds

Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
Square of 21397 (n2)457831609
Cube of 21397 (n3)9796222937773
Square root of 21397146.27713423499
Natural Logarithm (ln) of 213979.971006004267
Decimal Logarithm (log) of 213974.3303528866773
Calculation was done in 0.0000071526 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 213970.37793384058763
Cosecant of 213972.6459657553956
Cosine of 21397-0.92583260481508
Secant of 21397-1.0801088607154
Tangent of 21397-0.40820968998291
Cotangent of 21397-2.4497213675694
Calculation was done in 0.0000588894 seconds

Number parity

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

Is 21397 an Even Number?

No

Is 21397 an Odd Number?

Yes, the number 21397 is an odd number.
Total number of all odd numbers from 1 to 21397 is 10699
Sum of all the odd numbers from 1 to 21397 are 114468601
The sum of all odd numbers is a perfect square: 114468601 = 10699
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 0.0000100136 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 21397 in words is "twenty-one thousand three hundred ninety-seven", meaning that:
21397 is not an aban number (as it contains the letter a)
21397 is not an eban number (as it contains the letter e)
21397 is not an iban number (as it contains the letter i)
21397 is not an oban number (as it contains the letter o)
21397 is not a tban number (as it contains the letter t)
21397 is not an uban number (as it contains the letter u)
Calculation was done in 0.0000040531 seconds

Numeral systems

How to write 21397 in other number systems?
Bengali numerals২১৩৯৭
Eastern Arabic numerals٢١٬٣٩٧
Hieroglyphs numeralsused in Ancient Egypt𓂭𓂭𓆼𓍤𓎎𓐀
Khmer numerals២១៣៩៧
Japanese numerals二万千三百九十七
Roman numeralsn/a
Thai numerals๒๑๓๙๗
Calculation was done in 0.0001888275 seconds

Translation

How do you say 21397 in 38 different languages?
Arabicواحد و عشرون ألف و ثلاثة مائة و سبعة و تسعون
Croatiandvadeset i jedna tisuća tristo devedeset i sedam
Czechdvacet jedna tisíc tři sta devadesát sedm
Danish en og tyve tusinde tre hundrede syv og halvfems
Dutchéénentwintigduizend driehonderdzevenennegentig
Estonianakpe blaeve vɔ ɖekɛ alafa etɔ̃ blaasieke vɔ adre
Faroesetjúgo­eitt tusin og trý­hundrað­og­níti­sjey
Filipinodalawáng pû’t isáng libó’t tatlóng daán at siyám na pû’t pitó
Finnishkaksi­kymmentä­yksi­tuhatta­kolme­sataa­yhdeksän­kymmentä­seitsemän
Frenchvingt et un mille trois cent quatre-vingt-dix-sept
Greekείκοσι μία χίλιάδες τριακόσια εννενήντα επτά
Germanein­und­zwanzig­tausend­drei­hundert­sieben­und­neunzig
Hebrewעשרים ואחד אלף שלוש מאות תשעים ושבע
Hindiइक्कीस हज़ार तीन सौ सत्तानबे
Hungarianhuszon­egy­ezer­három­száz­kilencven­hét
Icelandictuttugu og eitt þúsund og þrjú­hundrað og níutíu og sjó
Indonesiandua puluh satu ribu tiga ratus sembilan puluh tujuh
Italianventunomilatrecentonovantasette
Japanese二万千三百九十七
Korean이만 천삼백구십칠
Latviandivdesmit viens tūkstoši trīssimt deviņdesmit septiņi
Lithuaniandvidešimt vienas tūkstantis trys šimtai devyniasdešimt septyni
Norwegiantjue­ett tusen tre hundre og nitti­sju
Persianبیست و یک هزار و سیصد و نود و هفت
Polishdwadzieścia jeden tysięcy trzysta dziewięćdziesiąt siedem
Portuguesevinte e um mil trezentos e noventa e sete
Romaniandouăzeci şi una mii trei sute nouăzeci şi şapte
Russianдвадцать одна тысяча триста девяносто семь
Serbianдвадесет и једна хиљада триста деведесет и седам
Slovakdvadsať­jedna tisíc tri­sto deväťdesiat­sedem
Slovenedvaset ena tisuću tristo devetdeset sedem
Spanish veintiún mil trescientos noventa y siete
Swahilielfu ishirini na moja, mia tatu na tisini na saba
Swedishtjugoentusentrehundranittiosju
Thaiสอง​หมื่น​หนึ่ง​พัน​สาม​ร้อย​เก้า​สิบ​เจ็ด
Turkishyirmi bir bin üç yüz doksan yedi
Ukrainianдвадцять одна тисяча триста девʼяносто сім
Vietnamesehai mươi mốt nghìn ba trăm chín mươi bảy
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Miscellaneous

Number 21397 reversed79312
Unicode CharacterU+5395
Unix TimestampThu, 01 Jan 1970 05:56:37 +0000
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