Number
-531
- Negative
- Odd
- 3 digits
-531 is an odd 3-digit integer and the negative of 531. It has 6 divisors and a digital root of 9.
Number properties
ParityOddnot divisible by 2
SignNegative
Absolute value531
Digit count3
Digit sum9
Digital root9repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 3^2 × 59
Distinct prime factors23, 59
Number of divisors6
Sum of divisors σ(n)780
SquarefreeNohas a repeated prime factor
All divisors1, 3, 9, 59, 177, 5316 in total
Arithmetic
Representations
Decimal-531
Binary100001001110 bits
Octal1023
Hexadecimal213
Base 36ER
In wordsminus five hundred and thirty-one
Ordinalminus five hundred and thirty-first
Scientific notation-5.31 × 10^2
Engineering notation-531
Powers & multiples
-531 to the power 2281,961
-531 to the power 3-149,721,291
-531 to the power 479,502,005,521
-531 to the power 5-42,215,564,931,651
First ten multiples-531, -1,062, -1,593, -2,124, -2,655, -3,186, -3,717, -4,248, -4,779, -5,310
Powers of twoBetween 2^9 (512) and 2^10 (1,024)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3Yes
Divisible by 4No, remainder 3
Divisible by 5No, remainder 1
Divisible by 6No, remainder 3
Divisible by 7No, remainder 6
Divisible by 8No, remainder 3
Divisible by 9Yes
Divisible by 10No, remainder 1
Divisible by 11No, remainder 3
Divisible by 12No, remainder 3
Divisible by 100No, remainder 31
As a percentage & fraction
As a percentage-53,100%
-531% as a decimal-5.31
-531% of 100-531
-531% of 1,000-5,310
As a fraction of 100-531/100
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