Recognised as Number
-328
- Negative
- Even
- 3 digits
-328 is an even 3-digit integer and the negative of 328. It has 8 divisors and a digital root of 4.
Number properties
ParityEvendivisible by 2
SignNegative
Absolute value328
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 × 2^3 × 41
Distinct prime factors22, 41
Number of divisors8
Sum of divisors σ(n)630
SquarefreeNohas a repeated prime factor
All divisors1, 2, 4, 8, 41, 82, 164, 3288 in total
Arithmetic
Representations
Decimal-328
Binary1010010009 bits
Octal510
Hexadecimal148
Base 3694
In wordsminus three hundred and twenty-eight
Ordinalminus three hundred and twenty-eighth
Scientific notation-3.28 × 10^2
Engineering notation-328
In other bases
Ternary110011base 3; the most digit-efficient integer base after e: 6 digits
Quinary2303base 5; one hand: 4 digits
Septenary646base 7: 3 digits
Nonary404base 9; each digit is two ternary digits: 3 digits
Duodecimal234base 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 3 digits
Vigesimalg8base 20; hands and feet, and the Mayan and Yoruba systems: 2 digits
Sexagesimal5:28base 60; Babylonian, and still how an hour and a circle are divided: 2 digits
Balanced ternaryTT00TTdigits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary1111001000base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
1111111010111000
Bit length9 bitsto write the magnitude
Set bits3the population count, or Hamming weight
Zero bits6within that length
Bit parityodd3 set bits, so odd; not the same as the number itself being even
Highest set bitbit 8worth 256
Lowest set bitbit 33 trailing zeros
Power of twoNo
Bytes201 48
Gray code111101100n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
16-bit1111111010111000two's complement
32-bit11111111111111111111111010111000two's complement
64-bit1111111111111111111111111111111111111111111111111111111010111000two's complement
One's complement0000000101000111at 16 bits, every bit flipped
Bits reversed0001110101111111at 16 bits
Rotated left by 11111110101110001at 16 bits, wrapping
Shifted left by 1-1010010000= -656, no wrap
Shifted right by 1-10100100= -164, discarding the low bit
These bits as a double1.62053532 × 10^-321≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Powers & multiples
-328 to the power 2107,584
-328 to the power 3-35,287,552
-328 to the power 411,574,317,056
-328 to the power 5-3,796,375,994,368
First ten multiples-328, -656, -984, -1,312, -1,640, -1,968, -2,296, -2,624, -2,952, -3,280
Powers of twoBetween 2^8 (256) and 2^9 (512)
Divisibility tests
Divisible by 2Yes
Divisible by 3No, remainder 1
Divisible by 4Yes
Divisible by 5No, remainder 3
Divisible by 6No, remainder 4
Divisible by 7No, remainder 6
Divisible by 8Yes
Divisible by 9No, remainder 4
Divisible by 10No, remainder 8
Divisible by 11No, remainder 9
Divisible by 12No, remainder 4
Divisible by 100No, remainder 28
As a percentage & fraction
As a percentage-32,800%
-328% as a decimal-3.28
-328% of 100-328
-328% of 1,000-3,280
As a fraction of 100-328/100
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Derived from -328
Nerdulate something else
Nothing in mind? Surprise me · today’s page