Number
-43
- Negative
- Odd
- 2 digits
-43 is an odd 2-digit integer and the negative of 43. It has 2 divisors and a digital root of 7.
Number properties
ParityOddnot divisible by 2
SignNegative
Absolute value43
Digit count2
Digit sum7
Digital root7repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 43
Distinct prime factors143
Number of divisors2
Sum of divisors σ(n)44
SquarefreeYesno repeated prime factor
All divisors1, 432 in total
Arithmetic
Representations
Decimal-43
Binary1010116 bits
Octal53
Hexadecimal2B
Base 3617
In wordsminus forty-three
Ordinalminus forty-third
Scientific notation-4.3 × 10^1
Engineering notation-43
Powers & multiples
-43 to the power 21,849
-43 to the power 3-79,507
-43 to the power 43,418,801
-43 to the power 5-147,008,443
First ten multiples-43, -86, -129, -172, -215, -258, -301, -344, -387, -430
Powers of twoBetween 2^5 (32) and 2^6 (64)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3No, remainder 1
Divisible by 4No, remainder 3
Divisible by 5No, remainder 3
Divisible by 6No, remainder 1
Divisible by 7No, remainder 1
Divisible by 8No, remainder 3
Divisible by 9No, remainder 7
Divisible by 10No, remainder 3
Divisible by 11No, remainder 10
Divisible by 12No, remainder 7
Divisible by 100No, remainder 43
As a percentage & fraction
As a percentage-4,300%
-43% as a decimal-0.43
-43% of 100-43
-43% of 1,000-430
As a fraction of 100-43/100
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