Number
133,829
- Positive
- Odd
- Composite
- 6 digits
133,829 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 value133,829
Digit count6
Digit sum26
Digital root8repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation37 × 3,617
Distinct prime factors237, 3,617
Number of divisors4
Sum of divisors σ(n)137,484
Aliquot sum3,655sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)130,176integers below n that share no factor with it
SquarefreeYesno repeated prime factor
All divisors1, 37, 3,617, 133,8294 in total
Arithmetic
Representations
Decimal133,829
Binary10000010101100010118 bits
Octal405305
Hexadecimal20AC5
Base 362V9H
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordsone hundred and thirty-three thousand, eight hundred and twenty-nine
Ordinalone hundred and thirty-three thousand, eight hundred and twenty-ninth
Scientific notation1.33829 × 10^5
Engineering notation133.829 × 10^3
Nearest landmarks
Powers & multiples
133,829 to the power 217,910,201,241
133,829 to the power 32,396,904,321,881,789
133,829 to the power 4320,775,308,493,117,940,081
133,829 to the power 542,929,038,760,325,480,803,100,149
First ten multiples133,829, 267,658, 401,487, 535,316, 669,145, 802,974, 936,803, 1,070,632, 1,204,461, 1,338,290
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 4
Divisible by 6No, remainder 5
Divisible by 7No, remainder 3
Divisible by 8No, remainder 5
Divisible by 9No, remainder 8
Divisible by 10No, remainder 9
Divisible by 11No, remainder 3
Divisible by 12No, remainder 5
Divisible by 100No, remainder 29
Collatz (3n + 1) trajectory
Steps to reach 169the total stopping time
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps133,829 → 401,488 → 200,744 → 100,372 → 50,186 → 25,093 → 75,280 → 37,640 → 18,820 → 9,410 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage13,382,900%
133,829% as a decimal1,338.29
133,829% of 100133,829
133,829% of 1,0001,338,290
As a fraction of 100133,829/100
Read another way
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Derived from 133,829
Also reads as
#133829 (colour)
- #133829
- Cyan
- Dark
- Nearest: Dark slate grey
#133829 is a cyan with RGB values 19, 56, 41 and HSL 156°, 49%, 15%. It is a dark colour, so white text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#133829#133829
HEX#133829
RGBrgb(19, 56, 41)
RGB (0–1)0.0745, 0.2196, 0.1608
RGB percentages7.5%, 22%, 16.1%
HSLhsl(155.7, 49.3%, 14.7%)
HSV / HSBhsv(155.7, 66.1%, 22%)
CMYK66.1%, 0%, 26.8%, 78%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,259,561
CSS custom property--colour: #133829;
Brightness & contrast
Relative luminance0.03127WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.92:1
Contrast with white12.92:1WCAG normal text: AAA
Contrast with black1.63:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#ECC7D6
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.92:1WCAG large text: AAA
Contrast with black, large text1.63:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#381322
Analogous#133817, #133538
Triadic#291338, #382913
Split complementary#381335, #381713
Tetradic#161338, #381322, #353813
Tints, shades & saturation
Channel breakdown
R19
G56
B41
Red19 (7.5%)
Green56 (22%)
Blue41 (16.1%)
Hue155.68°
Saturation (HSL)49.33%
Lightness14.71%
Dominant channelGreen
Hex per channelR 13 · G 38 · B 29
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