Recognised as Number
-382
- Negative
- Even
- 3 digits
-382 is an even 3-digit integer and the negative of 382. It has 4 divisors and a digital root of 4.
Number properties
ParityEvendivisible by 2
SignNegative
Absolute value382
Digit count3
Digit sum13
Digit product48
Multiplicative persistence3times the digit product can be taken before one digit is left
Digital root4repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 2 × 191
Distinct prime factors22, 191
Number of divisors4
Sum of divisors σ(n)576
SquarefreeYesno repeated prime factor
All divisors1, 2, 191, 3824 in total
Arithmetic
Representations
Decimal-382
Binary1011111109 bits
Octal576
Hexadecimal17E
Base 36AM
In wordsminus three hundred and eighty-two
Ordinalminus three hundred and eighty-second
Scientific notation-3.82 × 10^2
Engineering notation-382
In other bases
Ternary112011base 3; the most digit-efficient integer base after e: 6 digits
Quinary3012base 5; one hand: 4 digits
Septenary1054base 7: 4 digits
Nonary464base 9; each digit is two ternary digits: 3 digits
Duodecimal27abase 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 3 digits
Vigesimalj2base 20; hands and feet, and the Mayan and Yoruba systems: 2 digits
Sexagesimal6:22base 60; Babylonian, and still how an hour and a circle are divided: 2 digits
Balanced ternaryT1110TTdigits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary1110000110base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
1111111010000010
Bit length9 bitsto write the magnitude
Set bits7the population count, or Hamming weight
Zero bits2within that length
Bit parityodd7 set bits, so odd; not the same as the number itself being even
Highest set bitbit 8worth 256
Lowest set bitbit 11 trailing zero
Power of twoNo
Bytes201 7e
Gray code111000001n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
16-bit1111111010000010two's complement
32-bit11111111111111111111111010000010two's complement
64-bit1111111111111111111111111111111111111111111111111111111010000010two's complement
One's complement0000000101111101at 16 bits, every bit flipped
Bits reversed0100000101111111at 16 bits
Rotated left by 11111110100000101at 16 bits, wrapping
Shifted left by 1-1011111100= -764, no wrap
Shifted right by 1-10111111= -191, discarding the low bit
These bits as a double1.88733077 × 10^-321≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Powers & multiples
-382 to the power 2145,924
-382 to the power 3-55,742,968
-382 to the power 421,293,813,776
-382 to the power 5-8,134,236,862,432
First ten multiples-382, -764, -1,146, -1,528, -1,910, -2,292, -2,674, -3,056, -3,438, -3,820
Powers of twoBetween 2^8 (256) and 2^9 (512)
Divisibility tests
Divisible by 2Yes
Divisible by 3No, remainder 1
Divisible by 4No, remainder 2
Divisible by 5No, remainder 2
Divisible by 6No, remainder 4
Divisible by 7No, remainder 4
Divisible by 8No, remainder 6
Divisible by 9No, remainder 4
Divisible by 10No, remainder 2
Divisible by 11No, remainder 8
Divisible by 12No, remainder 10
Divisible by 100No, remainder 82
As a percentage & fraction
As a percentage-38,200%
-382% as a decimal-3.82
-382% of 100-382
-382% of 1,000-3,820
As a fraction of 100-382/100
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