Number
808,001
- Positive
- Odd
- Composite
- 6 digits
808,001 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 value808,001
Digit count6
Digit sum17
Digital root8repeated digit sum
PalindromicNoreads differently backwards
Happy numberYessquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation151 × 5,351
Distinct prime factors2151, 5,351
Number of divisors4
Sum of divisors σ(n)813,504
Aliquot sum5,503sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)802,500integers below n that share no factor with it
SquarefreeYesno repeated prime factor
All divisors1, 151, 5,351, 808,0014 in total
Arithmetic
Representations
Decimal808,001
Binary1100010101000100000120 bits
Octal3052101
HexadecimalC5441
Base 36HBGH
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordseight hundred and eight thousand and one
Ordinaleight hundred and eight thousand and first
Scientific notation8.08001 × 10^5
Engineering notation808.001 × 10^3
Nearest landmarks
Powers & multiples
808,001 to the power 2652,865,616,001
808,001 to the power 3527,516,070,594,424,001
808,001 to the power 4426,233,512,556,365,187,232,001
808,001 to the power 5344,397,104,379,055,627,648,644,040,001
First ten multiples808,001, 1,616,002, 2,424,003, 3,232,004, 4,040,005, 4,848,006, 5,656,007, 6,464,008, 7,272,009, 8,080,010
Powers of twoBetween 2^19 (524,288) and 2^20 (1,048,576)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3No, remainder 2
Divisible by 4No, remainder 1
Divisible by 5No, remainder 1
Divisible by 6No, remainder 5
Divisible by 7No, remainder 5
Divisible by 8No, remainder 1
Divisible by 9No, remainder 8
Divisible by 10No, remainder 1
Divisible by 11No, remainder 7
Divisible by 12No, remainder 5
Divisible by 100No, remainder 1
Collatz (3n + 1) trajectory
Steps to reach 169the total stopping time
Highest value reached2,424,0043× the starting value
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps808,001 → 2,424,004 → 1,212,002 → 606,001 → 1,818,004 → 909,002 → 454,501 → 1,363,504 → 681,752 → 340,876 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage80,800,100%
808,001% as a decimal8,080.01
808,001% of 100808,001
808,001% of 1,0008,080,010
As a fraction of 100808,001/100
Read another way
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Derived from 808,001
Also reads as
#808001 (colour)
- #808001
- Yellow
- Dark
- Nearest: Olive
#808001 is a yellow with RGB values 128, 128, 1 and HSL 60°, 98%, 25%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Olive.
Colour values
#808001#808001
HEX#808001
RGBrgb(128, 128, 1)
RGB (0–1)0.502, 0.502, 0.0039
RGB percentages50.2%, 50.2%, 0.4%
HSLhsl(60, 98.4%, 25.3%)
HSV / HSBhsv(60, 99.2%, 50.2%)
CMYK0%, 0%, 99.2%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,421,377
CSS custom property--colour: #808001;
Brightness & contrast
Relative luminance0.2003WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.01:1
Contrast with white4.2:1WCAG normal text: Fail
Contrast with black5.01:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#7F7FFE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.2:1WCAG large text: AA
Contrast with black, large text5.01:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#010180
Analogous#804101, #418001
Triadic#018080, #800180
Split complementary#014180, #410180
Tetradic#018041, #010180, #800141
Tints, shades & saturation
Channel breakdown
R128
G128
B1
Red128 (50.2%)
Green128 (50.2%)
Blue1 (0.4%)
Hue60°
Saturation (HSL)98.45%
Lightness25.29%
Dominant channelRed and Green
Hex per channelR 80 · G 80 · B 01
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Harmonies
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