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21998

Number 21998 is an even five-digits composite number and natural number following 21997 and preceding 21999.

Properties of the number 21998

Nominal21998
Cardinaltwenty-one thousand nine hundred ninety-eight
Cardinal
twenty-one thousand nine hundred ninety-eight
Ordinal21,998th
Number of digits5
Sum of digits29
Product of digits1296
Number parityEven
Previous number is 21997
Next number is 21999
Calculation was done in 0.0000460148 seconds

Prime Factorization of 21998

Prime factorization2 x 17 x 647
Prime factors2, 17, 647
Number of distinct prime factors ω(n)3
Total number of prime factors Ω(n)3
Sum of prime factors666
Product of prime factors21998
Calculation was done in 0.0000801086 seconds

Divisors of 21998

List of proper divisors 1, 2, 17, 34, 647, 1294, 10999
List of all dividers1, 2, 17, 34, 647, 1294, 10999, 21998
Number of divisors d(n)8
Sum of all divisors σ(n)34992
Aliquot sum 12994
21998 is a deficient number , since it is larger than the sum of its proper divisors (12994). Its deficiency is 9004.
Calculation was done in 0.0000331402 seconds

Prime numbers

Is 21998 a prime number?No
Is 21998 a semiprime number?No
Is 21998 a Chen prime number?No
Is 21998 a Mersenne prime number?No
Previous prime is 21997
Next prime is 22003
Calculation was done in 0.0397169590 seconds

Sequences

Is 21998 a Catalan number?No
Is 21998 a Fibonacci number?No
Is 21998 a Idoneal number?No
Calculation was done in 0.0000090599 seconds

Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
21998 is not a Happy number
21998 is not a Humble number
21998 is not a Münchhausen number
21998 is not a Perfect number
21998 is not a Perfect square
21998 is not a Palindrome
Calculation was done in 0.0125479698 seconds

Numeric Bases of 21998

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
2Binary1010101111011102
3Ternary10100112023
4Quaternary111132324
5Quinary12004435
6Senary2455026
7Septenary1210647
8Octal527568
9Nonary331529
10Decimal21998
12Duodecimal1089212
16Hexadecimal55ee16
20Vigesimal2eji20
36Base36gz236
60Sexagesimal66c60
Calculation was done in 0.0000271797 seconds

Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
Square of 21998 (n2)483912004
Cube of 21998 (n3)10645096263992
Square root of 21998148.31722759005
Natural Logarithm (ln) of 219989.9987068191171
Decimal Logarithm (log) of 219984.342383197711
Calculation was done in 0.0000069141 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 219980.53814910074403
Cosecant of 219981.8582210740805
Cosine of 219980.84284965763082
Secant of 219981.1864512145747
Tangent of 219980.63848765420006
Cotangent of 219981.5662009960911
Calculation was done in 0.0000519753 seconds

Number parity

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

Is 21998 an Even Number?

Yes, the number 21998 is an even number.

Is 21998 an Odd Number?

No
Previous even number is 21996
Next even number is 22000
Calculation was done in 0.0000059605 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 21998 in words is "twenty-one thousand nine hundred ninety-eight", meaning that:
21998 is not an aban number (as it contains the letter a)
21998 is not an eban number (as it contains the letter e)
21998 is not an iban number (as it contains the letter i)
21998 is not an oban number (as it contains the letter o)
21998 is not a tban number (as it contains the letter t)
21998 is not an uban number (as it contains the letter u)
Calculation was done in 0.0000028610 seconds

Numeral systems

How to write 21998 in other number systems?
Bengali numerals২১৯৯৮
Eastern Arabic numerals٢١٬٩٩٨
Hieroglyphs numeralsused in Ancient Egypt𓂭𓂭𓆼𓍪𓎎𓐁
Khmer numerals២១៩៩៨
Japanese numerals二万千九百九十八
Roman numeralsn/a
Thai numerals๒๑๙๙๘
Calculation was done in 0.0001440048 seconds

Translation

How do you say 21998 in 38 different languages?
Arabicواحد و عشرون ألف و تسعة مائة و ثمانية و تسعون
Croatiandvadeset i jedna tisuća devetsto devedeset i osam
Czechdvacet jedna tisíc devět set devadesát osm
Danish en og tyve tusinde ni hundrede otte og halvfems
Dutchéénentwintigduizend negenhonderdachtennegentig
Estonianakpe blaeve vɔ ɖekɛ alafa asieke blaasieke vɔ enyi
Faroesetjúgo­eitt tusin og níggju­hundrað­og­níti­átta
Filipinodalawáng pû’t isáng libó’t siyám na daán at siyám na pû’t waló
Finnishkaksi­kymmentä­yksi­tuhatta­yhdeksän­sataa­yhdeksän­kymmentä­kahdeksan
Frenchvingt et un mille neuf cent quatre-vingt-dix-huit
Greekείκοσι μία χίλιάδες εννιακόσια εννενήντα οκτώ
Germanein­und­zwanzig­tausend­neun­hundert­acht­und­neunzig
Hebrewעשרים ואחד אלף תשע מאות תשעים ושמונה
Hindiइक्कीस हज़ार नौ सौ अट्ठानबे
Hungarianhuszon­egy­ezer­kilenc­száz­kilencven­nyolc
Icelandictuttugu og eitt þúsund og níu­hundrað og níutíu og átta
Indonesiandua puluh satu ribu sembilan ratus sembilan puluh delapan
Italianventunomilanovecentonovantotto
Japanese二万千九百九十八
Korean이만 천구백구십팔
Latviandivdesmit viens tūkstoši deviņsimt deviņdesmit astoņi
Lithuaniandvidešimt vienas tūkstantis devyni šimtai devyniasdešimt aštuoni
Norwegiantjue­ett tusen ni hundre og nitti­åtte
Persianبیست و یک هزار و نهصد و نود و هشت
Polishdwadzieścia jeden tysięcy dziewięćset dziewięćdziesiąt osiem
Portuguesevinte e um mil novecentos e noventa e oito
Romaniandouăzeci şi una mii nouă sute nouăzeci şi opt
Russianдвадцать одна тысяча девятьсот девяносто восемь
Serbianдвадесет и једна хиљада деветсто деведесет и осам
Slovakdvadsať­jedna tisíc deväť­sto deväťdesiat­osem
Slovenedvaset ena tisuću devetsto devetdeset osem
Spanish veintiún mil novecientos noventa y ocho
Swahilielfu ishirini na moja, mia tisa na tisini na nane
Swedishtjugoentusenniohundranittioåtta
Thaiสอง​หมื่น​หนึ่ง​พัน​เก้า​ร้อย​เก้า​สิบ​แปด
Turkishyirmi bir bin dokuz yüz doksan sekiz
Ukrainianдвадцять одна тисяча девʼятсот девʼяносто вісім
Vietnamesehai mươi mốt nghìn chín trăm chín mươi tám
Calculation was done in 0.0235929489 seconds

Miscellaneous

Number 21998 reversed89912
Unicode CharacterU+55EE嗮
Unix TimestampThu, 01 Jan 1970 06:06:38 +0000
Calculation was done in 0.0000329018 seconds
This page was generated in 0.08 seconds.