Number
446
- Positive
- Even
- Composite
- 3 digits
446 is an even 3-digit integer and a composite number. It has 4 divisors and a digital root of 5.
Number properties
ParityEvendivisible by 2
SignPositive
PrimalityComposite
Absolute value446
Digit count3
Digit sum14
Digital root5repeated digit sum
PalindromicNoreads differently backwards
Happy numberYessquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation2 × 223
Distinct prime factors22, 223
Number of divisors4
Sum of divisors σ(n)672
Aliquot sum226sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)222integers below n that share no factor with it
SquarefreeYesno repeated prime factor
All divisors1, 2, 223, 4464 in total
Arithmetic
Representations
Decimal446
Binary1101111109 bits
Octal676
Hexadecimal1BE
Base 36CE
Roman numeralCDXLVI
In wordsfour hundred and forty-six
Ordinalfour hundred and forty-sixth
Scientific notation4.46 × 10^2
Engineering notation446
Nearest landmarks
Powers & multiples
446 to the power 2198,916
446 to the power 388,716,536
446 to the power 439,567,575,056
446 to the power 517,647,138,474,976
First ten multiples446, 892, 1,338, 1,784, 2,230, 2,676, 3,122, 3,568, 4,014, 4,460
Powers of twoBetween 2^8 (256) and 2^9 (512)
Divisibility tests
Divisible by 2Yes
Divisible by 3No, remainder 2
Divisible by 4No, remainder 2
Divisible by 5No, remainder 1
Divisible by 6No, remainder 2
Divisible by 7No, remainder 5
Divisible by 8No, remainder 6
Divisible by 9No, remainder 5
Divisible by 10No, remainder 6
Divisible by 11No, remainder 6
Divisible by 12No, remainder 2
Divisible by 100No, remainder 46
Collatz (3n + 1) trajectory
Steps to reach 171the total stopping time
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps446 → 223 → 670 → 335 → 1,006 → 503 → 1,510 → 755 → 2,266 → 1,133 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage44,600%
446% as a decimal4.46
446% of 100446
446% of 1,0004,460
As a fraction of 100446/100
Read another way
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Derived from 446
Other readings
Also reads as
#444466 (colour)
- #444466
- Blue
- Dark
- Nearest: Dim grey
#444466 is a blue with RGB values 68, 68, 102 and HSL 240°, 20%, 33%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dim grey.
Colour values
#444466#444466
HEX#444466
HEX (short)#446
RGBrgb(68, 68, 102)
RGB (0–1)0.2667, 0.2667, 0.4
RGB percentages26.7%, 26.7%, 40%
HSLhsl(240, 20%, 33.3%)
HSV / HSBhsv(240, 33.3%, 40%)
CMYK33.3%, 33.3%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,473,958
CSS custom property--colour: #444466;
Brightness & contrast
Relative luminance0.06322WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.27:1
Contrast with white9.27:1WCAG normal text: AAA
Contrast with black2.26:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#BBBB99
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.27:1WCAG large text: AAA
Contrast with black, large text2.26:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#666644
Analogous#445566, #554466
Triadic#664444, #446644
Split complementary#665544, #556644
Tetradic#664455, #666644, #446655
Tints, shades & saturation
Channel breakdown
R68
G68
B102
Red68 (26.7%)
Green68 (26.7%)
Blue102 (40%)
Hue240°
Saturation (HSL)20%
Lightness33.33%
Dominant channelBlue
Hex per channelR 44 · G 44 · B 66
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Harmonies
Similar named colours
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