Recognised as Number
882
- Positive
- Even
- Composite
- 3 digits
882 is an even 3-digit integer and a composite number. It has 18 divisors and a digital root of 9.
Number properties
ParityEvendivisible by 2
SignPositive
PrimalityComposite
Absolute value882
Digit count3
Digit sum18
Digit product128
Multiplicative persistence3times the digit product can be taken before one digit is left
Digital root9repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberYesdivisible by its own digit sum
Factors & divisors
Prime factorisation2 × 3^2 × 7^2
Distinct prime factors32, 3, 7
Number of divisors18
Sum of divisors σ(n)2,223
Aliquot sum1,341sum of the proper divisors
ClassificationAbundantthe aliquot sum exceeds the number
Euler's totient φ(n)252integers below n that share no factor with it
Carmichael function λ(n)42the smallest exponent with aˣ ≡ 1 for every unit; smaller than φ(n) = 252
Möbius function μ(n)0zero, because a prime divides n twice
SquarefreeNohas a repeated prime factor
All divisors1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 88218 in total
Arithmetic
Representations
Decimal882
Binary110111001010 bits
Octal1562
Hexadecimal372
Base 36OI
Roman numeralDCCCLXXXII
In wordseight hundred and eighty-two
Ordinaleight hundred and eighty-second
Scientific notation8.82 × 10^2
Engineering notation882
In other bases
Ternary1012200base 3; the most digit-efficient integer base after e: 7 digits
Quinary12012base 5; one hand: 5 digits
Septenary2400base 7: 4 digits
Nonary1180base 9; each digit is two ternary digits: 4 digits
Duodecimal616base 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 3 digits
Vigesimal242base 20; hands and feet, and the Mayan and Yoruba systems: 3 digits
Sexagesimal14:42base 60; Babylonian, and still how an hour and a circle are divided: 2 digits
Balanced ternary11T0T00digits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary10010110110base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
0000001101110010
Bit length10 bitsto write the magnitude
Set bits6the population count, or Hamming weight
Zero bits4within that length
Bit parityeven6 set bits, so even; not the same as the number itself being even
Highest set bitbit 9worth 512
Lowest set bitbit 11 trailing zero
Power of twoNo
Bytes203 72
Gray code1011001011n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
16-bit0000001101110010
32-bit00000000000000000000001101110010
64-bit0000000000000000000000000000000000000000000000000000001101110010
One's complement1111110010001101at 16 bits, every bit flipped
Bits reversed0100111011000000at 16 bits
Rotated left by 10000011011100100at 16 bits, wrapping
Shifted left by 111011100100= 1,764, no wrap
Shifted right by 1110111001= 441, discarding the low bit
These bits as a double4.357659 × 10^-321≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Nearest landmarks
Powers & multiples
882 to the power 2777,924
882 to the power 3686,128,968
882 to the power 4605,165,749,776
882 to the power 5533,756,191,302,432
First ten multiples882, 1,764, 2,646, 3,528, 4,410, 5,292, 6,174, 7,056, 7,938, 8,820
Powers of twoBetween 2^9 (512) and 2^10 (1,024)
Divisibility tests
Divisible by 2Yes
Divisible by 3Yes
Divisible by 4No, remainder 2
Divisible by 5No, remainder 2
Divisible by 6Yes
Divisible by 7Yes
Divisible by 8No, remainder 2
Divisible by 9Yes
Divisible by 10No, remainder 2
Divisible by 11No, remainder 2
Divisible by 12No, remainder 6
Divisible by 100No, remainder 82
Collatz (3n + 1) trajectory
Steps to reach 128the total stopping time
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps882 → 441 → 1,324 → 662 → 331 → 994 → 497 → 1,492 → 746 → 373 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage88,200%
882% as a decimal8.82
882% of 100882
882% of 1,0008,820
As a fraction of 100882/100
Read another way
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Derived from 882
Other readings
Also reads as
#888822 (colour)
- #888822
- Yellow
- Dark
- Nearest: Olive
#888822 is a yellow with RGB values 136, 136, 34 and HSL 60°, 60%, 33%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Olive.
Colour values
#888822#888822
HEX#888822
HEX (short)#882
RGBrgb(136, 136, 34)
RGB (0–1)0.5333, 0.5333, 0.1333
RGB percentages53.3%, 53.3%, 13.3%
HSLhsl(60, 60%, 33.3%)
HSV / HSBhsv(60, 75%, 53.3%)
CMYK0%, 0%, 75%, 46.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,947,746
CSS custom property--colour: #888822;
Brightness & contrast
Relative luminance0.22958WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.59:1
Contrast with white3.76:1WCAG normal text: Fail
Contrast with black5.59:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#7777DD
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.76:1WCAG large text: AA
Contrast with black, large text5.59:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#222288
Analogous#885522, #558822
Triadic#228888, #882288
Split complementary#225588, #552288
Tetradic#228855, #222288, #882255
Tints, shades & saturation
Channel breakdown
R136
G136
B34
Red136 (53.3%)
Green136 (53.3%)
Blue34 (13.3%)
Hue60°
Saturation (HSL)60%
Lightness33.33%
Dominant channelRed and Green
Hex per channelR 88 · G 88 · B 22
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Harmonies
Similar named colours
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