42821

Number 42821 is an odd five-digits prime number and natural number following 42820 and preceding 42822.

Properties of the number 42821

Nominal	42821
Cardinal	forty-two thousand eight hundred twenty-one
Cardinal forty-two thousand eight hundred twenty-one
Ordinal	42,821st
Number of digits	5
Sum of digits	17
Product of digits	128
Number parity	Odd

Previous number is 42820

Next number is 42822

Calculation was done in 0.0000419617 seconds

Prime Factorization of 42821

Prime factorization	42821
Prime factors	42821
Number of distinct prime factors ω(n)	1
Total number of prime factors Ω(n)	1
Sum of prime factors	42821
Product of prime factors	42821

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Divisors of 42821

List of proper divisors	1
List of all dividers	1, 42821
Number of divisors d(n)	2
Sum of all divisors σ(n)	42822
Aliquot sum	1
42821 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 42820.

Calculation was done in 0.0000340939 seconds

Prime numbers

Is 42821 a prime number?	Yes
Is 42821 a semiprime number?	No
Is 42821 a Chen prime number?	No
Is 42821 a Mersenne prime number?	No

Previous prime is 42797

Next prime is 42829

Calculation was done in 0.7050549984 seconds

Sequences

Is 42821 a Catalan number?	No
Is 42821 a Fibonacci number?	No
Is 42821 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.

42821 is not a Happy number

42821 is not a Humble number

42821 is not a Münchhausen number

42821 is not a Perfect number

42821 is not a Perfect square

42821 is not a Palindrome

Calculation was done in 0.0048191547 seconds

Numeric Bases of 42821

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	1010011101000101₂
3	Ternary	2011201222₃
4	Quaternary	22131011₄
5	Quinary	2332241₅
6	Senary	530125₆
7	Septenary	235562₇
8	Octal	123505₈
9	Nonary	64658₉
10	Decimal	42821
12	Duodecimal	20945₁₂
16	Hexadecimal	a745₁₆
20	Vigesimal	5711₂₀
36	Base36	x1h₃₆
60	Sexagesimal	Brf₆₀

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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 42821 (n²)	1833638041
Cube of 42821 (n³)	78518214553661
Square root of 42821	206.93235609735
Natural Logarithm (ln) of 42821	10.664783915444
Decimal Logarithm (log) of 42821	4.6316568051679

Calculation was done in 0.0000050068 seconds

Trigonometry

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

Sine of 42821	0.88761071991733
Cosecant of 42821	1.126620012085
Cosine of 42821	0.46059440931024
Secant of 42821	2.171107550996
Tangent of 42821	1.9270983363575
Cotangent of 42821	0.51891487898337

Calculation was done in 0.0000190735 seconds

Number parity

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

Is 42821 an Even Number?

Is 42821 an Odd Number?

Yes, the number 42821 is an odd number.

Total number of all odd numbers from 1 to 42821 is 21411

Sum of all the odd numbers from 1 to 42821 are 458430921

The sum of all odd numbers is a perfect square: 458430921 = 21411

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 42819

Next odd number is 42823

Calculation was done in 0.0000081062 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 42821 in words is "forty-two thousand eight hundred twenty-one", meaning that:

42821 is not an aban number (as it contains the letter a)

42821 is not an eban number (as it contains the letter e)

42821 is not an iban number (as it contains the letter i)

42821 is not an oban number (as it contains the letter o)

42821 is not a tban number (as it contains the letter t)

42821 is not an uban number (as it contains the letter u)

Calculation was done in 0.0000028610 seconds

Numeral systems

How to write 42821 in other number systems?

Bengali numerals	৪২৮২১
Eastern Arabic numerals	٤٢٬٨٢١
Hieroglyphs numeralsused in Ancient Egypt	𓂭𓂭𓂭𓂭𓆼𓆼𓍩𓎇𓏺
Khmer numerals	៤២៨២១
Japanese numerals	四万二千八百二十一
Roman numerals	n/a
Thai numerals	๔๒๘๒๑

Calculation was done in 0.0001568794 seconds

Translation

How do you say 42821 in 38 different languages?

Arabic	إثنان و أربعون ألف و ثمانية مائة و واحد و عشرون
Croatian	četrdeset i dvije tisuća osamsto dvadeset i jedan
Czech	čtyřicet dvě tisíc osm set dvacet jeden
Danish	to og fyrre tusinde otte hundrede en og tyve
Dutch	tweeenveertigduizend achthonderdéénentwintig
Estonian	akpe blaene vɔ eve alafa enyi blaeve vɔ ɖekɛ
Faroese	fýratitvey tusin og áttahundraðogtjúgoein
Filipino	ápat na pû’t dalawáng libó’t walóng daán at dalawáng pû’t isá
Finnish	neljäkymmentäkaksituhattakahdeksansataakaksikymmentäyksi
French	quarante-deux mille huit cent vingt et un
Greek	σαράντα δύο χίλιάδες οκτακόσια είκοσι ένα
German	zweiundvierzigtausendachthunderteinundzwanzig
Hebrew	ארבעים ושניים אלף שמונה מאות עשרים ואחת
Hindi	बयालीस हज़ार आठ सौ इक्कीस
Hungarian	negyvenkettőezernyolcszázhuszonegy
Icelandic	fjörutíu og tvö þúsund og áttahundrað og tuttugu og einn
Indonesian	empat puluh dua ribu delapan ratus dua puluh satu
Italian	quarantaduemilaottocentoventuno
Japanese	四万二千八百二十一
Korean	사만 이천팔백이십일
Latvian	četrdesmit divi tūkstoši astoņsimt divdesmit viens
Lithuanian	keturiasdešimt du tūkstančiai aštuoni šimtai dvidešimt vienas
Norwegian	førtito tusen åtte hundre og tjueén
Persian	چهل و دو هزار و هشتصد و بیست و یک
Polish	czterdzieści dwa tysiące osiemset dwadzieścia jeden
Portuguese	quarenta e dois mil oitocentos e vinte e um
Romanian	patruzeci şi două mii opt sute douăzeci şi unu
Russian	сорок две тысячи восемьсот двадцать один
Serbian	четрдесет и две хиљада осамсто двадесет и један
Slovak	štyridsaťdve tisíc osemsto dvadsaťjeden
Slovene	štirideset dvije tisuću osemsto dvaset ena
Spanish	cuarenta y dos mil ochocientos veintiuno
Swahili	elfu arobaini na mbili, mia nane na ishirini na moja
Swedish	fyrtiotvåtusenåttahundratjugoen
Thai	สี่หมื่นสองพันแปดร้อยยี่สิบเอ็ด
Turkish	kırk iki bin sekiz yüz yirmi bir
Ukrainian	сорок дві тисячі вісімсот двадцять один
Vietnamese	bốn mươi hai nghìn tám trăm hai mươi mốt

Calculation was done in 0.0149540901 seconds

Miscellaneous

Number 42821 reversed	12824
Unicode Character	U+A745	ꝅ
Unix Timestamp	Thu, 01 Jan 1970 11:53:41 +0000

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