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Number

835

Positive
Odd
Composite
3 digits

835 is an odd 3-digit integer and a composite number. It has 4 divisors and a digital root of 7.

Number properties

ParityOddnot divisible by 2

SignPositive

PrimalityComposite

Absolute value835

Digit count3

Digit sum16

Digital root7repeated digit sum

PalindromicNoreads differently backwards

Happy numberNosquared-digit sums reach 1

Harshad numberNodivisible by its own digit sum

Factors & divisors

Prime factorisation5 × 167

Distinct prime factors25, 167

Number of divisors4

Sum of divisors σ(n)1,008

Aliquot sum173sum of the proper divisors

ClassificationDeficientthe aliquot sum is less than the number

Euler's totient φ(n)664integers below n that share no factor with it

SquarefreeYesno repeated prime factor

All divisors1, 5, 167, 8354 in total

Arithmetic

Previous number834

Next number836

Double1,670

Cube582,182,875

Square root28.896366554≈irrational, shown to 9 decimal places

Cube root9.416629685≈

Negation-835

Reciprocal0.0011976048≈

835 factorial6796591284871860841263789780387047830015… (2,079 digits)

Representations

Decimal835

Binary110100001110 bits

Octal1503

Hexadecimal343

Base 36N7

Roman numeralDCCCXXXV

In wordseight hundred and thirty-five

Ordinaleight hundred and thirty-fifth

Scientific notation8.35 × 10^2

Engineering notation835

Nearest landmarks

Next prime839+4

Previous prime829−6

Distance to nearest prime4

Nearest square below784

Nearest square above841

Powers & multiples

835 to the power 2697,225

835 to the power 3582,182,875

835 to the power 4486,122,700,625

835 to the power 5405,912,455,021,875

First ten multiples835, 1,670, 2,505, 3,340, 4,175, 5,010, 5,845, 6,680, 7,515, 8,350

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

Divisibility tests

Divisible by 2No, remainder 1

Divisible by 3No, remainder 1

Divisible by 4No, remainder 3

Divisible by 5Yes

Divisible by 6No, remainder 1

Divisible by 7No, remainder 2

Divisible by 8No, remainder 3

Divisible by 9No, remainder 7

Divisible by 10No, remainder 5

Divisible by 11No, remainder 10

Divisible by 12No, remainder 7

Divisible by 100No, remainder 35

Collatz (3n + 1) trajectory

Steps to reach 1134the total stopping time

Highest value reached9,23211× the starting value

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

First steps835 → 2,506 → 1,253 → 3,760 → 1,880 → 940 → 470 → 235 → 706 → 353 → …

Last steps… → 5 → 16 → 8 → 4 → 2 → 1

As a percentage & fraction

As a percentage83,500%

835% as a decimal8.35

835% of 100835

835% of 1,0008,350

As a fraction of 100835/100

Read another way

As seconds13 minutes and 55 seconds

As bytes835 B

As a 24-bit colour#000343

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Neighbouring numbers

Derived from 835

Nearby primes

Other readings

Also reads as

#883355 (colour)

#883355
Red
Dark
Nearest: Pale violetred

#883355 is a red with RGB values 136, 51, 85 and HSL 336°, 45%, 37%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Pale violetred.

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Colour values

#883355#883355

HEX#883355

HEX (short)#835

RGBrgb(136, 51, 85)

RGB (0–1)0.5333, 0.2, 0.3333

RGB percentages53.3%, 20%, 33.3%

HSLhsl(336, 45.5%, 36.7%)

HSV / HSBhsv(336, 62.5%, 53.3%)

CMYK0%, 62.5%, 37.5%, 46.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,926,037

CSS custom property--colour: #883355;

Brightness & contrast

Relative luminance0.08258WCAG 2.x, 0 is black and 1 is white

Perceived brightness88.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.92:1

Contrast with white7.92:1WCAG normal text: AAA

Contrast with black2.65:1WCAG normal text: Fail

Greyscale equivalent#484848

Inverted#77CCAA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#424756no red cones; affects about 1% of men; ΔE 39.1 from the original

Deuteranopia#585753no green cones; the most common form, about 1% of men; ΔE 40.4 from the original

Tritanopia#932C40no blue cones; rare, and affects men and women equally; ΔE 14.9 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text7.92:1WCAG large text: AAA

Contrast with black, large text2.65:1WCAG large text: Fail

Named colours

Pale violetred · ΔE 26.8 Indian red · ΔE 30.8 Brown · ΔE 33.8 Medium violet red · ΔE 35.6 Rosy brown · ΔE 37.8 Light coral · ΔE 38.2

Nearest named CSS colourPale violetred (#DB7093)ΔE 26.76, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#338866

Analogous#883380, #883C33

Triadic#558833, #335588

Split complementary#33883C, #338088

Tetradic#808833, #338866, #3B3388

Tints, shades & saturation

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

Lighter +40%#DFA8BE

Lighter +30%#D183A2

Lighter +20%#C35E86

Lighter +10%#AD416C

Darker −10%#63253E

Darker −20%#3E1727

Darker −30%#19090F

Darker −40%#000000

More saturated +25%#9F1C50

Less saturated −25%#714A5A

Channel breakdown

R136

G51

B85

Red136 (53.3%)

Green51 (20%)

Blue85 (33.3%)

Hue336°

Saturation (HSL)45.45%

Lightness36.67%

Dominant channelRed

Hex per channelR 88 · G 33 · B 55

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Harmonies

Lighter and darker

Similar named colours

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