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# 73

Number 73 (seventy-three) is an odd two-digits prime number and natural number following 72 and preceding 74.

## Properties of the number 73

 Nominal 73 Cardinal seventy-three Ordinal 73rd Number of digits 2 Sum of digits 10 Product of digits 21 Number parity Odd
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## Prime Factorization of 73

 Prime factorization 73 Prime factors 73 Number of distinct prime factors ω(n) 1 Total number of prime factors Ω(n) 1 Sum of prime factors 73 Product of prime factors 73
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## Divisors of 73

 List of proper divisors 1 List of all dividers 1, 73 Number of divisors d(n) 2 Sum of all divisors σ(n) 74 Aliquot sum 1 73 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 72.
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## Prime numbers

 Is 73 a prime number? Yes Is 73 a semiprime number? No Is 73 a Chen prime number? No Is 73 a Mersenne prime number? No
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## Sequences

 Is 73 a Catalan number? No Is 73 a Fibonacci number? No Is 73 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.
 73 is not a Happy number 73 is not a Humble number 73 is not a Münchhausen number 73 is not a Perfect number 73 is not a Perfect square 73 is not a Palindrome
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## Numeric Bases of 73

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
2Binary10010012
3Ternary22013
4Quaternary10214
5Quinary2435
6Senary2016
7Septenary1337
8Octal1118
9Nonary819
10Decimal73
12Duodecimal6112
20Vigesimal3d20
36Base362136
60Sexagesimal1D60
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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 73 (n2) 5329 Cube of 73 (n3) 389017 Square root of 73 8.544 Natural Logarithm (ln) of 73 4.29046 Decimal Logarithm (log) of 73 1.86332
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## Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 73 -0.676772 Cosecant of 73 -1.4776 Cosine of 73 -0.736193 Secant of 73 -1.35834 Tangent of 73 0.919286 Cotangent of 73 1.0878
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## Number parity

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

No

### Is 73 an Odd Number?

Yes, the number 73 is an odd number.
Total number of all odd numbers from 1 to 73 is 37
Sum of all the odd numbers from 1 to 73 are 1369
The sum of all odd numbers is a perfect square: 1369 = 37
An odd number is any integer (a whole number) that cannot be divided by 2 evenly. Odd numbers are the opposite of even numbers.
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## 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 73 in words is "seventy-three", meaning that: 73 is an aban number (a number without the letter a) 73 is not an eban number (as it contains the letter e) 73 is an iban number (a number without the letter i) 73 is an oban number (a number without the letter o) 73 is not a tban number (as it contains the letter t) 73 is an uban number (a number without the letter u)
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## Numeral systems

How to write 73 in other number systems?
 Bengali numerals ৭৩ Eastern Arabic numerals ٧٣ Hieroglyphs numeralsused in Ancient Egypt 𓎌𓏼 Khmer numerals ៧៣ Japanese numerals 七十三 Roman numerals LXXIII Thai numerals ๗๓
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## Translation

How do you say 73 in 38 different languages?
 Arabic ثلاثة و سبعون Croatian sedamdeset i tri Czech sedmdesát tři Danish tre og halvfjerds Dutch drieenzeventig Estonian blaadre vɔ etɔ̃ Faroese sjeyti­tríggir Filipino pitóng pû’t tatló Finnish seitsemän­kymmentä­kolme French soixante-treize Greek εβδομήντα τρία German drei­und­siebzig Hebrew שבעים ושלוש Hindi तिहत्तर Hungarian hetven­három Icelandic sjötíu og þrír Indonesian tujuh puluh tiga Italian settantatre Japanese 七十三 Korean 칠십삼 Latvian septiņdesmit trīs Lithuanian septyniasdešimt trys Norwegian sytti­tre Persian هفتاد و سه Polish siedemdziesiąt trzy Portuguese setenta e três Romanian şaptezeci şi trei Russian семьдесят три Serbian седамдесет и три Slovak sedemdesiat­tri Slovene sedemdeset tri Spanish setenta y tres Swahili sabini na tatu Swedish sjutiotre Thai เจ็ด​สิบ​สาม Turkish yetmiş üç Ukrainian сімдесят три Vietnamese bảy mươi ba
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## Miscellaneous

 Number 73 reversed 37 ASCII Code 73 I Unicode Character U+0049 I Unix Timestamp Thu, 01 Jan 1970 00:01:13 +0000
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