Number
160
- Positive
- Even
- Composite
- 3 digits
160 is an even 3-digit integer and a composite number. It has 12 divisors and a digital root of 7.
Number properties
ParityEvendivisible by 2
SignPositive
PrimalityComposite
Absolute value160
Digit count3
Digit sum7
Digital root7repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation2^5 × 5
Distinct prime factors22, 5
Number of divisors12
Sum of divisors σ(n)378
Aliquot sum218sum of the proper divisors
ClassificationAbundantthe aliquot sum exceeds the number
Euler's totient φ(n)64integers below n that share no factor with it
SquarefreeNohas a repeated prime factor
All divisors1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 16012 in total
Arithmetic
Representations
Decimal160
Binary101000008 bits
Octal240
HexadecimalA0
Base 364G
Roman numeralCLX
In wordsone hundred and sixty
Ordinalone hundred and sixtieth
Scientific notation1.6 × 10^2
Engineering notation160
Nearest landmarks
Powers & multiples
160 to the power 225,600
160 to the power 34,096,000
160 to the power 4655,360,000
160 to the power 5104,857,600,000
First ten multiples160, 320, 480, 640, 800, 960, 1,120, 1,280, 1,440, 1,600
Powers of twoBetween 2^7 (128) and 2^8 (256)
Divisibility tests
Divisible by 2Yes
Divisible by 3No, remainder 1
Divisible by 4Yes
Divisible by 5Yes
Divisible by 6No, remainder 4
Divisible by 7No, remainder 6
Divisible by 8Yes
Divisible by 9No, remainder 7
Divisible by 10Yes
Divisible by 11No, remainder 6
Divisible by 12No, remainder 4
Divisible by 100No, remainder 60
Collatz (3n + 1) trajectory
Steps to reach 110the total stopping time
Highest value reached160
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps160 → 80 → 40 → 20 → 10 → 5 → 16 → 8 → 4 → 2 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage16,000%
160% as a decimal1.6
160% of 100160
160% of 1,0001,600
As a fraction of 100160/100
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Derived from 160
Other readings
Also reads as
#116600 (colour)
- #116600
- Green
- Dark
- Nearest: Dark green
#116600 is a green with RGB values 17, 102, 0 and HSL 110°, 100%, 20%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Dark green.
Colour values
#116600#116600
HEX#116600
HEX (short)#160
RGBrgb(17, 102, 0)
RGB (0–1)0.0667, 0.4, 0
RGB percentages6.7%, 40%, 0%
HSLhsl(110, 100%, 20%)
HSV / HSBhsv(110, 100%, 40%)
CMYK83.3%, 0%, 100%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,140,224
CSS custom property--colour: #116600;
Brightness & contrast
Relative luminance0.09622WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.18:1
Contrast with white7.18:1WCAG normal text: AAA
Contrast with black2.92:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#EE99FF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.18:1WCAG large text: AAA
Contrast with black, large text2.92:1WCAG large text: Fail
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#550066
Analogous#446600, #006622
Triadic#001166, #660011
Split complementary#220066, #660044
Tetradic#004466, #550066, #662200
Tints, shades & saturation
Channel breakdown
R17
G102
B0
Red17 (6.7%)
Green102 (40%)
Blue0 (0%)
Hue110°
Saturation (HSL)100%
Lightness20%
Dominant channelGreen
Hex per channelR 11 · G 66 · B 00
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Harmonies
Similar named colours
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