Number
-10
- Negative
- Even
- 2 digits
-10 is an even 2-digit integer and the negative of 10. It has 4 divisors and a digital root of 1.
Number properties
ParityEvendivisible by 2
SignNegative
Absolute value10
Digit count2
Digit sum1
Digital root1repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 2 × 5
Distinct prime factors22, 5
Number of divisors4
Sum of divisors σ(n)18
SquarefreeYesno repeated prime factor
All divisors1, 2, 5, 104 in total
Arithmetic
Representations
Decimal-10
Binary10104 bits
Octal12
HexadecimalA
Base 36A
In wordsminus ten
Ordinalminus tenth
Scientific notation-1 × 10^1
Engineering notation-10
Powers & multiples
-10 to the power 2100
-10 to the power 3-1,000
-10 to the power 410,000
-10 to the power 5-100,000
First ten multiples-10, -20, -30, -40, -50, -60, -70, -80, -90, -100
Powers of twoBetween 2^3 (8) and 2^4 (16)
Divisibility tests
Divisible by 2Yes
Divisible by 3No, remainder 1
Divisible by 4No, remainder 2
Divisible by 5Yes
Divisible by 6No, remainder 4
Divisible by 7No, remainder 3
Divisible by 8No, remainder 2
Divisible by 9No, remainder 1
Divisible by 10Yes
Divisible by 11No, remainder 10
Divisible by 12No, remainder 10
Divisible by 100No, remainder 10
As a percentage & fraction
As a percentage-1,000%
-10% as a decimal-0.1
-10% of 100-10
-10% of 1,000-100
As a fraction of 100-10/100
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