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# 5

Number 5 (five) is an odd digit prime number and natural number following 4 and preceding 6.

## Properties of the number 5

 Nominal 5 Cardinal five Ordinal 5th Number of digits 1 Sum of digits 5 Product of digits 5 Number parity Odd
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## Prime Factorization of 5

 Prime factorization 5 Prime factors 5 Number of distinct prime factors ω(n) 1 Total number of prime factors Ω(n) 1 Sum of prime factors 5 Product of prime factors 5
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## Divisors of 5

 List of proper divisors 1 List of all dividers 1, 5 Number of divisors d(n) 2 Sum of all divisors σ(n) 6 Aliquot sum 1 5 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 4.
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## Prime numbers

 Is 5 a prime number? Yes Is 5 a semiprime number? No Is 5 a Chen prime number? Yes Is 5 a Mersenne prime number? Yes: M2
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## Sequences

 Is 5 a Catalan number? Yes: C3 Is 5 a Fibonacci number? Yes Is 5 a Idoneal number? Yes: I4
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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.
 5 is not a Happy number 5 is a Humble number 5 is not a Münchhausen number 5 is not a Perfect number 5 is not a Perfect square 5 is a Palindrome
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## Numeric Bases of 5

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
2Binary1012
3Ternary123
4Quaternary114
5Quinary105
6Senary56
7Septenary57
8Octal58
9Nonary59
10Decimal5
12Duodecimal512
20Vigesimal520
36Base36536
60Sexagesimal560
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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 5 (n2) 25 Cube of 5 (n3) 125 Square root of 5 2.23607 Natural Logarithm (ln) of 5 1.60944 Decimal Logarithm (log) of 5 0.69897
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## Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 5 -0.958924 Cosecant of 5 -1.04284 Cosine of 5 0.283662 Secant of 5 3.52532 Tangent of 5 -3.38052 Cotangent of 5 -0.295813
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## Number parity

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

No

### Is 5 an Odd Number?

Yes, the number 5 is an odd number.
Total number of all odd numbers from 1 to 5 is 3
Sum of all the odd numbers from 1 to 5 are 9
The sum of all odd numbers is a perfect square: 9 = 3
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 5 in words is "five", meaning that: 5 is an aban number (a number without the letter a) 5 is not an eban number (as it contains the letter e) 5 is not an iban number (as it contains the letter i) 5 is an oban number (a number without the letter o) 5 is a tban number (a number without the letter t) 5 is an uban number (a number without the letter u)
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## Numeral systems

How to write 5 in other number systems?
 Bengali numerals ৫ Eastern Arabic numerals ٥ Hieroglyphs numeralsused in Ancient Egypt 𓏾 Khmer numerals ៥ Japanese numerals 五 Roman numerals V Thai numerals ๕
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## Translation

How do you say 5 in 38 different languages?
 Arabic خمسة Croatian pet Czech pět Danish fem Dutch vijf Estonian atɔ̃ Faroese fimm Filipino limá Finnish viisi French cinq Greek πέντε German fünf Hebrew חמש Hindi पाँच Hungarian öt Icelandic fimm Indonesian lima Italian cinque Japanese 五 Korean 오 Latvian pieci Lithuanian penki Norwegian fem Persian پنج Polish pięć Portuguese cinco Romanian cinci Russian пять Serbian пет Slovak päť Slovene pet Spanish cinco Swahili tano Swedish fem Thai ห้า Turkish beş Ukrainian пʼять Vietnamese năm
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## Miscellaneous

 Number 5 reversed 5 ASCII Code 5  Unicode Character U+0005  Unix Timestamp Thu, 01 Jan 1970 00:00:05 +0000
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