Number
-27
- Negative
- Odd
- Perfect cube
- 2 digits
-27 is an odd 2-digit integer and the negative of 27. It has 4 divisors and a digital root of 9.
Number properties
ParityOddnot divisible by 2
SignNegative
Absolute value27
Digit count2
Digit sum9
Digital root9repeated digit sum
PalindromicNoreads differently backwards
Perfect cubeYes, -3³
Factors & divisors
Prime factorisation−1 × 3^3
Distinct prime factors13
Number of divisors4
Sum of divisors σ(n)40
SquarefreeNohas a repeated prime factor
All divisors1, 3, 9, 274 in total
Arithmetic
Representations
Decimal-27
Binary110115 bits
Octal33
Hexadecimal1B
Base 36R
In wordsminus twenty-seven
Ordinalminus twenty-seventh
Scientific notation-2.7 × 10^1
Engineering notation-27
Powers & multiples
-27 to the power 2729
-27 to the power 3-19,683
-27 to the power 4531,441
-27 to the power 5-14,348,907
First ten multiples-27, -54, -81, -108, -135, -162, -189, -216, -243, -270
Powers of twoBetween 2^4 (16) and 2^5 (32)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3Yes
Divisible by 4No, remainder 3
Divisible by 5No, remainder 2
Divisible by 6No, remainder 3
Divisible by 7No, remainder 6
Divisible by 8No, remainder 3
Divisible by 9Yes
Divisible by 10No, remainder 7
Divisible by 11No, remainder 5
Divisible by 12No, remainder 3
Divisible by 100No, remainder 27
As a percentage & fraction
As a percentage-2,700%
-27% as a decimal-0.27
-27% of 100-27
-27% of 1,000-270
As a fraction of 100-27/100
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