Number
-397
- Negative
- Odd
- 3 digits
-397 is an odd 3-digit integer and the negative of 397. It has 2 divisors and a digital root of 1.
Number properties
ParityOddnot divisible by 2
SignNegative
Absolute value397
Digit count3
Digit sum19
Digital root1repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 397
Distinct prime factors1397
Number of divisors2
Sum of divisors σ(n)398
SquarefreeYesno repeated prime factor
All divisors1, 3972 in total
Arithmetic
Representations
Decimal-397
Binary1100011019 bits
Octal615
Hexadecimal18D
Base 36B1
In wordsminus three hundred and ninety-seven
Ordinalminus three hundred and ninety-seventh
Scientific notation-3.97 × 10^2
Engineering notation-397
Powers & multiples
-397 to the power 2157,609
-397 to the power 3-62,570,773
-397 to the power 424,840,596,881
-397 to the power 5-9,861,716,961,757
First ten multiples-397, -794, -1,191, -1,588, -1,985, -2,382, -2,779, -3,176, -3,573, -3,970
Powers of twoBetween 2^8 (256) and 2^9 (512)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3No, remainder 1
Divisible by 4No, remainder 1
Divisible by 5No, remainder 2
Divisible by 6No, remainder 1
Divisible by 7No, remainder 5
Divisible by 8No, remainder 5
Divisible by 9No, remainder 1
Divisible by 10No, remainder 7
Divisible by 11No, remainder 1
Divisible by 12No, remainder 1
Divisible by 100No, remainder 97
As a percentage & fraction
As a percentage-39,700%
-397% as a decimal-3.97
-397% of 100-397
-397% of 1,000-3,970
As a fraction of 100-397/100
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