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1801

Number 1801 is an odd four-digits prime number and natural number following 1800 and preceding 1802.

Properties of the number 1801

Nominal1801
Cardinalone thousand eight hundred one
Cardinal
one thousand eight hundred one
Ordinal1,801st
Number of digits4
Sum of digits10
Product of digits0
Number parityOdd
Calculation was done in 0.0000410080 seconds

Prime Factorization of 1801

Prime factorization1801
Prime factors1801
Number of distinct prime factors ω(n)1
Total number of prime factors Ω(n)1
Sum of prime factors1801
Product of prime factors1801
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Divisors of 1801

List of proper divisors 1
List of all dividers1, 1801
Number of divisors d(n)2
Sum of all divisors σ(n)1802
Aliquot sum 1
1801 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 1800.
Calculation was done in 0.0000171661 seconds

Prime numbers

Is 1801 a prime number?Yes
Is 1801 a semiprime number?No
Is 1801 a Chen prime number?Yes
Is 1801 a Mersenne prime number?No
Calculation was done in 0.0014610291 seconds

Sequences

Is 1801 a Catalan number?No
Is 1801 a Fibonacci number?No
Is 1801 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.
1801 is not a Happy number
1801 is not a Humble number
1801 is not a Münchhausen number
1801 is not a Perfect number
1801 is not a Perfect square
1801 is not a Palindrome
Calculation was done in 0.0118820667 seconds

Numeric Bases of 1801

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
2Binary111000010012
3Ternary21102013
4Quaternary1300214
5Quinary242015
6Senary122016
7Septenary51527
8Octal34118
9Nonary24219
10Decimal1801
12Duodecimal106112
16Hexadecimal70916
20Vigesimal4a120
36Base361e136
60SexagesimalU160
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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 1801 (n2)3243601
Cube of 1801 (n3)5841725401
Square root of 180142.438190347846
Natural Logarithm (ln) of 18017.496097345176
Decimal Logarithm (log) of 18013.2555137128195
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Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 1801-0.76265594664095
Cosecant of 1801-1.3112072414887
Cosine of 1801-0.64680438082407
Secant of 1801-1.5460625030491
Tangent of 18011.179113761829
Cotangent of 18010.84809458796311
Calculation was done in 0.0000131130 seconds

Number parity

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

Is 1801 an Even Number?

No

Is 1801 an Odd Number?

Yes, the number 1801 is an odd number.
Total number of all odd numbers from 1 to 1801 is 901
Sum of all the odd numbers from 1 to 1801 are 811801
The sum of all odd numbers is a perfect square: 811801 = 901
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 0.0000078678 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 1801 in words is "one thousand eight hundred one", meaning that:
1801 is not an aban number (as it contains the letter a)
1801 is not an eban number (as it contains the letter e)
1801 is not an iban number (as it contains the letter i)
1801 is not an oban number (as it contains the letter o)
1801 is not a tban number (as it contains the letter t)
1801 is not an uban number (as it contains the letter u)
Calculation was done in 0.0000040531 seconds

Numeral systems

How to write 1801 in other number systems?
Bengali numerals১৮০১
Eastern Arabic numerals١٬٨٠١
Hieroglyphs numeralsused in Ancient Egypt𓆼𓍩𓏺
Khmer numerals១៨០១
Japanese numerals千八百一
Roman numeralsMDCCCI
Thai numerals๑๘๐๑
Calculation was done in 0.0001070499 seconds

Translation

How do you say 1801 in 38 different languages?
Arabicألف و ثمانية مائة و واحد
Croatiantisuću osamsto jedan
Czechjedna tisíc osm set jeden
Danish et tusind otte hundrede en
Dutchduizend achthonderd en één
Estonianakpe ɖeka alafa enyi kple ɖeka
Faroeseeitt tusin og átta­hundrað­og­ein
Filipinoisáng libó’t walóng daán at isá
Finnishtuhat­kahdeksan­sataa­yksi
Frenchmille huit cent un
Greekχίλια οκτακόσια ένα
Germanein­tausend­acht­hundert­eins
Hebrewאלף שמונה מאות ואחת
Hindiएक हज़ार आठ सौ एक
Hungarianezer­nyolc­száz­egy
Icelandiceitt þúsund og átta­hundrað og einn
Indonesianseribu delapan ratus satu
Italianmilleottocentouno
Japanese千八百一
Korean천팔백일
Latviantūkstoš astoņsimt viens
Lithuaniantūkstantis aštuoni šimtai vienas
Norwegiantusen åtte hundre og én
Persianیک هزار و هشتصد و یک
Polishtysiąc osiemset jeden
Portuguesemil oitocentos e um
Romanianuna mie opt sute unu
Russianодна тысяча восемьсот один
Serbianједна хиљаду осамсто један
Slovakjedna tisíc osem­sto jeden
Slovenetisuću osemsto ena
Spanish mil ochocientos uno
Swahilielfu moja, mia nane na moja
Swedishentusenåttahundraen
Thaiหนึ่ง​พัน​แปด​ร้อย​หนึ่ง
Turkishbin sekiz yüz bir
Ukrainianодна тисяча вісімсот один
Vietnamesemột nghìn tám trăm lẻ một
Calculation was done in 0.0227859020 seconds

Miscellaneous

Number 1801 reversed1081
Unicode CharacterU+0709܉
Unix TimestampThu, 01 Jan 1970 00:30:01 +0000
Calculation was done in 0.0000331402 seconds
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