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Number

133,613

  • Positive
  • Odd
  • Composite
  • 6 digits

133,613 is an odd 6-digit integer and a composite number. It has 4 divisors and a digital root of 8.

Number properties

ParityOddnot divisible by 2
SignPositive
PrimalityComposite
Absolute value133,613
Digit count6
Digit sum17
Digital root8repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum

Factors & divisors

Prime factorisation53 × 2,521
Distinct prime factors253, 2,521
Number of divisors4
Sum of divisors σ(n)136,188
Aliquot sum2,575sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)131,040integers below n that share no factor with it
SquarefreeYesno repeated prime factor
All divisors1, 53, 2,521, 133,6134 in total

Arithmetic

Previous number133,612
Next number133,614
Double267,226
Half66,806.5
Square17,852,433,769
Cube2,385,317,233,177,397
Square root365.531120426≈irrational, shown to 9 decimal places
Cube root51.122989083≈
Negation-133,613
Reciprocal0.0000074843≈

Representations

Decimal133,613
Binary10000010011110110118 bits
Octal404755
Hexadecimal209ED
Base 362V3H
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordsone hundred and thirty-three thousand, six hundred and thirteen
Ordinalone hundred and thirty-three thousand, six hundred and thirteenth
Scientific notation1.33613 × 10^5
Engineering notation133.613 × 10^3

Nearest landmarks

Next prime133,631+18
Previous prime133,597−16
Distance to nearest prime16
Nearest square below133,225
Nearest square above133,956

Powers & multiples

133,613 to the power 217,852,433,769
133,613 to the power 32,385,317,233,177,397
133,613 to the power 4318,709,391,476,531,545,361
133,613 to the power 542,583,717,923,353,809,370,319,293
First ten multiples133,613, 267,226, 400,839, 534,452, 668,065, 801,678, 935,291, 1,068,904, 1,202,517, 1,336,130
Powers of twoBetween 2^17 (131,072) and 2^18 (262,144)

Divisibility tests

Divisible by 2No, remainder 1
Divisible by 3No, remainder 2
Divisible by 4No, remainder 1
Divisible by 5No, remainder 3
Divisible by 6No, remainder 5
Divisible by 7No, remainder 4
Divisible by 8No, remainder 5
Divisible by 9No, remainder 8
Divisible by 10No, remainder 3
Divisible by 11No, remainder 7
Divisible by 12No, remainder 5
Divisible by 100No, remainder 13

Collatz (3n + 1) trajectory

Steps to reach 169the total stopping time
Highest value reached400,8403× the starting value
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps133,613 → 400,840 → 200,420 → 100,210 → 50,105 → 150,316 → 75,158 → 37,579 → 112,738 → 56,369 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1

As a percentage & fraction

As a percentage13,361,300%
133,613% as a decimal1,336.13
133,613% of 100133,613
133,613% of 1,0001,336,130
As a fraction of 100133,613/100

Read another way

As seconds1 day, 13 hours and 6 minutes
As bytes130.481 KiB
As a 24-bit colour#0209ED

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Neighbouring numbers

Nearby primes

Also reads as

#133613 (colour)

  • #133613
  • Green
  • Dark
  • Nearest: Dark olivegreen

#133613 is a green with RGB values 19, 54, 19 and HSL 120°, 48%, 14%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

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Colour values

#133613#133613
HEX#133613
RGBrgb(19, 54, 19)
RGB (0–1)0.0745, 0.2118, 0.0745
RGB percentages7.5%, 21.2%, 7.5%
HSLhsl(120, 47.9%, 14.3%)
HSV / HSBhsv(120, 64.8%, 21.2%)
CMYK64.8%, 0%, 64.8%, 78.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,259,027
CSS custom property--colour: #133613;

Brightness & contrast

Relative luminance0.02824WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.42:1
Contrast with white13.42:1WCAG normal text: AAA
Contrast with black1.56:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#ECC9EC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#373110no red cones; affects about 1% of men; ΔE 19.4 from the original
Deuteranopia#332E16no green cones; the most common form, about 1% of men; ΔE 19.6 from the original
Tritanopia#0D342Eno blue cones; rare, and affects men and women equally; ΔE 19.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.42:1WCAG large text: AAA
Contrast with black, large text1.56:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 26.2Dark slate grey · ΔE 26.6Black · ΔE 34Dark green · ΔE 36.6Sea green · ΔE 37.1Dim grey · ΔE 37.6
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 26.25, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#361336
Analogous#253613, #133625
Triadic#131336, #361313
Split complementary#251336, #361325
Tetradic#132536, #361336, #362513

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#53C253
Lighter +30%#3BA73B
Lighter +20%#2E812E
Lighter +10%#205C20
Darker −10%#061006
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0A3F0A
Less saturated −25%#1C2D1C

Channel breakdown

R19
G54
B19
Red19 (7.5%)
Green54 (21.2%)
Blue19 (7.5%)
Hue120°
Saturation (HSL)47.95%
Lightness14.31%
Dominant channelGreen
Hex per channelR 13 · G 36 · B 13

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