Number
-5
- Negative
- Odd
- 1 digit
-5 is an odd 1-digit integer and the negative of 5. It has 2 divisors and a digital root of 5.
Number properties
ParityOddnot divisible by 2
SignNegative
Absolute value5
Digit count1
Digit sum5
Digital root5repeated digit sum
PalindromicYesreads the same backwards
Factors & divisors
Prime factorisation−1 × 5
Distinct prime factors15
Number of divisors2
Sum of divisors σ(n)6
SquarefreeYesno repeated prime factor
All divisors1, 52 in total
Arithmetic
Representations
Decimal-5
Binary1013 bits
Octal5
Hexadecimal5
Base 365
In wordsminus five
Ordinalminus fifth
Scientific notation-5 × 10^0
Engineering notation-5
Powers & multiples
-5 to the power 225
-5 to the power 3-125
-5 to the power 4625
-5 to the power 5-3,125
First ten multiples-5, -10, -15, -20, -25, -30, -35, -40, -45, -50
Powers of twoBetween 2^2 (4) and 2^3 (8)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3No, remainder 2
Divisible by 4No, remainder 1
Divisible by 5Yes
Divisible by 6No, remainder 5
Divisible by 7No, remainder 5
Divisible by 8No, remainder 5
Divisible by 9No, remainder 5
Divisible by 10No, remainder 5
Divisible by 11No, remainder 5
Divisible by 12No, remainder 5
Divisible by 100No, remainder 5
As a percentage & fraction
As a percentage-500%
-5% as a decimal-0.05
-5% of 100-5
-5% of 1,000-50
As a fraction of 100-5/100
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