Nerdulator> put something in

Number

879

  • Positive
  • Odd
  • Composite
  • 3 digits

879 is an odd 3-digit integer and a composite number. It has 4 divisors and a digital root of 6.

Number properties

ParityOddnot divisible by 2
SignPositive
PrimalityComposite
Absolute value879
Digit count3
Digit sum24
Digital root6repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum

Factors & divisors

Prime factorisation3 × 293
Distinct prime factors23, 293
Number of divisors4
Sum of divisors σ(n)1,176
Aliquot sum297sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)584integers below n that share no factor with it
SquarefreeYesno repeated prime factor
All divisors1, 3, 293, 8794 in total

Arithmetic

Previous number878
Next number880
Double1,758
Half439.5
Square772,641
Cube679,151,439
Square root29.647934161≈irrational, shown to 9 decimal places
Cube root9.579208475≈
Negation-879
Reciprocal0.0011376564≈
879 factorial7807233019155454965688227173918496468070… (2,208 digits)

Representations

Decimal879
Binary110110111110 bits
Octal1557
Hexadecimal36F
Base 36OF
Roman numeralDCCCLXXIX
In wordseight hundred and seventy-nine
Ordinaleight hundred and seventy-ninth
Scientific notation8.79 × 10^2
Engineering notation879

Nearest landmarks

Next prime881+2
Previous prime877−2
Distance to nearest prime2
Nearest square below841
Nearest square above900

Powers & multiples

879 to the power 2772,641
879 to the power 3679,151,439
879 to the power 4596,974,114,881
879 to the power 5524,740,246,980,399
First ten multiples879, 1,758, 2,637, 3,516, 4,395, 5,274, 6,153, 7,032, 7,911, 8,790
Powers of twoBetween 2^9 (512) and 2^10 (1,024)

Divisibility tests

Divisible by 2No, remainder 1
Divisible by 3Yes
Divisible by 4No, remainder 3
Divisible by 5No, remainder 4
Divisible by 6No, remainder 3
Divisible by 7No, remainder 4
Divisible by 8No, remainder 7
Divisible by 9No, remainder 6
Divisible by 10No, remainder 9
Divisible by 11No, remainder 10
Divisible by 12No, remainder 3
Divisible by 100No, remainder 79

Collatz (3n + 1) trajectory

Steps to reach 1147the total stopping time
Highest value reached10,02411× the starting value
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps879 → 2,638 → 1,319 → 3,958 → 1,979 → 5,938 → 2,969 → 8,908 → 4,454 → 2,227 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1

As a percentage & fraction

As a percentage87,900%
879% as a decimal8.79
879% of 100879
879% of 1,0008,790
As a fraction of 100879/100

Read another way

As seconds14 minutes and 39 seconds
As bytes879 B
As a 24-bit colour#00036F

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Neighbouring numbers

Nearby primes

Also reads as

#887799 (colour)

  • #887799
  • Violet
  • Dark
  • Nearest: Slate grey

#887799 is a violet with RGB values 136, 119, 153 and HSL 270°, 14%, 53%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Open this reading on its own page →

Colour values

#887799#887799
HEX#887799
HEX (short)#879
RGBrgb(136, 119, 153)
RGB (0–1)0.5333, 0.4667, 0.6
RGB percentages53.3%, 46.7%, 60%
HSLhsl(270, 14.3%, 53.3%)
HSV / HSBhsv(270, 22.2%, 60%)
CMYK11.1%, 22.2%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,943,513
CSS custom property--colour: #887799;

Brightness & contrast

Relative luminance0.20728WCAG 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 5.15:1
Contrast with white4.08:1WCAG normal text: Fail
Contrast with black5.15:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#778866

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#717D9Ano red cones; affects about 1% of men; ΔE 11 from the original
Deuteranopia#757E98no green cones; the most common form, about 1% of men; ΔE 10.8 from the original
Tritanopia#867B83no blue cones; rare, and affects men and women equally; ΔE 15.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.08:1WCAG large text: AA
Contrast with black, large text5.15:1WCAG large text: AAA

Named colours

Slate grey · ΔE 16.4Light slate grey · ΔE 16.7Gray · ΔE 20.8Dim grey · ΔE 22.4Steel blue · ΔE 23.9Rosy brown · ΔE 25.3
Nearest named CSS colourSlate grey (#708090)ΔE 16.43, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#889977
Analogous#777799, #997799
Triadic#998877, #779988
Split complementary#999977, #779977
Tetradic#997777, #889977, #779999

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEECF0
Lighter +30%#D5CEDB
Lighter +20%#BBB1C5
Lighter +10%#A294AF
Darker −10%#6F5F7E
Darker −20%#554961
Darker −30%#3C3344
Darker −40%#221D27
More saturated +25%#8859B7
Less saturated −25%#888888

Channel breakdown

R136
G119
B153
Red136 (53.3%)
Green119 (46.7%)
Blue153 (60%)
Hue270°
Saturation (HSL)14.29%
Lightness53.33%
Dominant channelBlue
Hex per channelR 88 · G 77 · B 99

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “879” by Nerdulator’s number engine. Nothing here was retrieved from a database of answers or written by a model.