Number
440,001
- Positive
- Odd
- Composite
- 6 digits
440,001 is an odd 6-digit integer and a composite number. It has 6 divisors and a digital root of 9.
Number properties
ParityOddnot divisible by 2
SignPositive
PrimalityComposite
Absolute value440,001
Digit count6
Digit sum9
Digital root9repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberYesdivisible by its own digit sum
Factors & divisors
Prime factorisation3^2 × 48,889
Distinct prime factors23, 48,889
Number of divisors6
Sum of divisors σ(n)635,570
Aliquot sum195,569sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)293,328integers below n that share no factor with it
SquarefreeNohas a repeated prime factor
All divisors1, 3, 9, 48,889, 146,667, 440,0016 in total
Arithmetic
Representations
Decimal440,001
Binary110101101101100000119 bits
Octal1533301
Hexadecimal6B6C1
Base 369FI9
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordsfour hundred and forty thousand and one
Ordinalfour hundred and forty thousand and first
Scientific notation4.40001 × 10^5
Engineering notation440.001 × 10^3
Nearest landmarks
Powers & multiples
440,001 to the power 2193,600,880,001
440,001 to the power 385,184,580,801,320,001
440,001 to the power 437,481,300,737,161,601,760,001
440,001 to the power 516,491,809,805,651,841,936,002,200,001
First ten multiples440,001, 880,002, 1,320,003, 1,760,004, 2,200,005, 2,640,006, 3,080,007, 3,520,008, 3,960,009, 4,400,010
Powers of twoBetween 2^18 (262,144) and 2^19 (524,288)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3Yes
Divisible by 4No, remainder 1
Divisible by 5No, remainder 1
Divisible by 6No, remainder 3
Divisible by 7No, remainder 2
Divisible by 8No, remainder 1
Divisible by 9Yes
Divisible by 10No, remainder 1
Divisible by 11No, remainder 1
Divisible by 12No, remainder 9
Divisible by 100No, remainder 1
Collatz (3n + 1) trajectory
Steps to reach 194the total stopping time
Highest value reached1,320,0043× the starting value
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps440,001 → 1,320,004 → 660,002 → 330,001 → 990,004 → 495,002 → 247,501 → 742,504 → 371,252 → 185,626 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage44,000,100%
440,001% as a decimal4,400.01
440,001% of 100440,001
440,001% of 1,0004,400,010
As a fraction of 100440,001/100
Read another way
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Derived from 440,001
Also reads as
#440001 (colour)
- #440001
- Red
- Dark
- Nearest: Maroon
#440001 is a red with RGB values 68, 0, 1 and HSL 359°, 100%, 13%. It is a dark colour, so white text on it reaches 16.9:1 contrast (AAA for normal text). The nearest named colour is Maroon.
Colour values
#440001#440001
HEX#440001
RGBrgb(68, 0, 1)
RGB (0–1)0.2667, 0, 0.0039
RGB percentages26.7%, 0%, 0.4%
HSLhsl(359.1, 100%, 13.3%)
HSV / HSBhsv(359.1, 100%, 26.7%)
CMYK0%, 100%, 98.5%, 73.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,456,449
CSS custom property--colour: #440001;
Brightness & contrast
Relative luminance0.01231WCAG 2.x, 0 is black and 1 is white
Perceived brightness37.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.85:1
Contrast with white16.85:1WCAG normal text: AAA
Contrast with black1.25:1WCAG normal text: Fail
Greyscale equivalent#0F0F0F
Inverted#BBFFFE
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text16.85:1WCAG large text: AAA
Contrast with black, large text1.25:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#004443
Analogous#440023, #442100
Triadic#014400, #000144
Split complementary#004421, #002344
Tetradic#234400, #004443, #210044
Tints, shades & saturation
Channel breakdown
R68
G0
B1
Red68 (26.7%)
Green0 (0%)
Blue1 (0.4%)
Hue359.12°
Saturation (HSL)100%
Lightness13.33%
Dominant channelRed
Hex per channelR 44 · G 00 · B 01
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