Number
-12
- Negative
- Even
- 2 digits
-12 is an even 2-digit integer and the negative of 12. It has 6 divisors and a digital root of 3.
Number properties
ParityEvendivisible by 2
SignNegative
Absolute value12
Digit count2
Digit sum3
Digital root3repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 2^2 × 3
Distinct prime factors22, 3
Number of divisors6
Sum of divisors σ(n)28
SquarefreeNohas a repeated prime factor
All divisors1, 2, 3, 4, 6, 126 in total
Arithmetic
Representations
Decimal-12
Binary11004 bits
Octal14
HexadecimalC
Base 36C
In wordsminus twelve
Ordinalminus twelfth
Scientific notation-1.2 × 10^1
Engineering notation-12
Powers & multiples
-12 to the power 2144
-12 to the power 3-1,728
-12 to the power 420,736
-12 to the power 5-248,832
First ten multiples-12, -24, -36, -48, -60, -72, -84, -96, -108, -120
Powers of twoBetween 2^3 (8) and 2^4 (16)
Divisibility tests
Divisible by 2Yes
Divisible by 3Yes
Divisible by 4Yes
Divisible by 5No, remainder 2
Divisible by 6Yes
Divisible by 7No, remainder 5
Divisible by 8No, remainder 4
Divisible by 9No, remainder 3
Divisible by 10No, remainder 2
Divisible by 11No, remainder 1
Divisible by 12Yes
Divisible by 100No, remainder 12
As a percentage & fraction
As a percentage-1,200%
-12% as a decimal-0.12
-12% of 100-12
-12% of 1,000-120
As a fraction of 100-12/100
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