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Number

982

Positive
Even
Composite
3 digits

982 is an even 3-digit integer and a composite number. It has 4 divisors and a digital root of 1.

Number properties

ParityEvendivisible by 2

SignPositive

PrimalityComposite

Absolute value982

Digit count3

Digit sum19

Digital root1repeated digit sum

PalindromicNoreads differently backwards

Happy numberNosquared-digit sums reach 1

Harshad numberNodivisible by its own digit sum

Factors & divisors

Prime factorisation2 × 491

Distinct prime factors22, 491

Number of divisors4

Sum of divisors σ(n)1,476

Aliquot sum494sum of the proper divisors

ClassificationDeficientthe aliquot sum is less than the number

Euler's totient φ(n)490integers below n that share no factor with it

SquarefreeYesno repeated prime factor

All divisors1, 2, 491, 9824 in total

Arithmetic

Previous number981

Next number983

Double1,964

Half491

Cube946,966,168

Square root31.336879232≈irrational, shown to 9 decimal places

Cube root9.939636356≈

Negation-982

Reciprocal0.0010183299≈

982 factorial4693343171481407494062168700235609537896… (2,514 digits)

Representations

Decimal982

Binary111101011010 bits

Octal1726

Hexadecimal3D6

Base 36RA

Roman numeralCMLXXXII

In wordsnine hundred and eighty-two

Ordinalnine hundred and eighty-second

Scientific notation9.82 × 10^2

Engineering notation982

Nearest landmarks

Next prime983+1

Previous prime977−5

Distance to nearest prime1

Nearest square below961

Nearest square above1,024

Powers & multiples

982 to the power 2964,324

982 to the power 3946,966,168

982 to the power 4929,920,776,976

982 to the power 5913,182,202,990,432

First ten multiples982, 1,964, 2,946, 3,928, 4,910, 5,892, 6,874, 7,856, 8,838, 9,820

Powers of twoBetween 2^9 (512) and 2^10 (1,024)

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 2

Divisible by 8No, remainder 6

Divisible by 9No, remainder 1

Divisible by 10No, remainder 2

Divisible by 11No, remainder 3

Divisible by 12No, remainder 10

Divisible by 100No, remainder 82

Collatz (3n + 1) trajectory

Steps to reach 1142the total stopping time

Highest value reached9,2329× the starting value

Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven

First steps982 → 491 → 1,474 → 737 → 2,212 → 1,106 → 553 → 1,660 → 830 → 415 → …

Last steps… → 5 → 16 → 8 → 4 → 2 → 1

As a percentage & fraction

As a percentage98,200%

982% as a decimal9.82

982% of 100982

982% of 1,0009,820

As a fraction of 100982/100

Read another way

As seconds16 minutes and 22 seconds

As bytes982 B

As a 24-bit colour#0003D6

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Neighbouring numbers

Derived from 982

Nearby primes

Other readings

Also reads as

#998822 (colour)

#998822
Yellow
Dark
Nearest: Olive

#998822 is a yellow with RGB values 153, 136, 34 and HSL 51°, 64%, 37%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Olive.

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Colour values

#998822#998822

HEX#998822

HEX (short)#982

RGBrgb(153, 136, 34)

RGB (0–1)0.6, 0.5333, 0.1333

RGB percentages60%, 53.3%, 13.3%

HSLhsl(51.4, 63.6%, 36.7%)

HSV / HSBhsv(51.4, 77.8%, 60%)

CMYK0%, 11.1%, 77.8%, 40%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,061,858

CSS custom property--colour: #998822;

Brightness & contrast

Relative luminance0.24496WCAG 2.x, 0 is black and 1 is white

Perceived brightness134.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.9:1

Contrast with white3.56:1WCAG normal text: Fail

Contrast with black5.9:1WCAG normal text: AA

Greyscale equivalent#848484

Inverted#6677DD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#96840Cno red cones; affects about 1% of men; ΔE 4.9 from the original

Deuteranopia#9A8A29no green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#A57D75no blue cones; rare, and affects men and women equally; ΔE 46.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.56:1WCAG large text: AA

Contrast with black, large text5.9:1WCAG large text: AAA

Named colours

Olive · ΔE 10 Dark goldenrod · ΔE 17.7 Dark khaki · ΔE 22.2 Olivedrab · ΔE 23.8 Goldenrod · ΔE 24.9 Peru · ΔE 27.2

Nearest named CSS colourOlive (#808000)ΔE 10.03, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#223399

Analogous#994D22, #6E9922

Triadic#229988, #882299

Split complementary#226E99, #4D2299

Tetradic#22994D, #223399, #99226E

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#E9DF9E

Lighter +30%#E0D174

Lighter +20%#D7C34A

Lighter +10%#C3AD2B

Darker −10%#6F6319

Darker −20%#463E0F

Darker −30%#1C1906

Darker −40%#000000

More saturated +25%#B0990B

Less saturated −25%#827739

Channel breakdown

R153

G136

B34

Red153 (60%)

Green136 (53.3%)

Blue34 (13.3%)

Hue51.43°

Saturation (HSL)63.64%

Lightness36.67%

Dominant channelRed

Hex per channelR 99 · G 88 · B 22

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Harmonies

Lighter and darker

Similar named colours

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