Number
162
- Positive
- Even
- Composite
- 3 digits
162 is an even 3-digit integer and a composite number. It has 10 divisors and a digital root of 9.
Number properties
ParityEvendivisible by 2
SignPositive
PrimalityComposite
Absolute value162
Digit count3
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 factorisation2 × 3^4
Distinct prime factors22, 3
Number of divisors10
Sum of divisors σ(n)363
Aliquot sum201sum of the proper divisors
ClassificationAbundantthe aliquot sum exceeds the number
Euler's totient φ(n)54integers below n that share no factor with it
SquarefreeNohas a repeated prime factor
All divisors1, 2, 3, 6, 9, 18, 27, 54, 81, 16210 in total
Arithmetic
Representations
Decimal162
Binary101000108 bits
Octal242
HexadecimalA2
Base 364I
Roman numeralCLXII
In wordsone hundred and sixty-two
Ordinalone hundred and sixty-second
Scientific notation1.62 × 10^2
Engineering notation162
Nearest landmarks
Powers & multiples
162 to the power 226,244
162 to the power 34,251,528
162 to the power 4688,747,536
162 to the power 5111,577,100,832
First ten multiples162, 324, 486, 648, 810, 972, 1,134, 1,296, 1,458, 1,620
Powers of twoBetween 2^7 (128) and 2^8 (256)
Divisibility tests
Divisible by 2Yes
Divisible by 3Yes
Divisible by 4No, remainder 2
Divisible by 5No, remainder 2
Divisible by 6Yes
Divisible by 7No, remainder 1
Divisible by 8No, remainder 2
Divisible by 9Yes
Divisible by 10No, remainder 2
Divisible by 11No, remainder 8
Divisible by 12No, remainder 6
Divisible by 100No, remainder 62
Collatz (3n + 1) trajectory
Steps to reach 123the total stopping time
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps162 → 81 → 244 → 122 → 61 → 184 → 92 → 46 → 23 → 70 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage16,200%
162% as a decimal1.62
162% of 100162
162% of 1,0001,620
As a fraction of 100162/100
Read another way
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Derived from 162
Other readings
Also reads as
#116622 (colour)
- #116622
- Green
- Dark
- Nearest: Dark green
#116622 is a green with RGB values 17, 102, 34 and HSL 132°, 71%, 23%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dark green.
Colour values
#116622#116622
HEX#116622
HEX (short)#162
RGBrgb(17, 102, 34)
RGB (0–1)0.0667, 0.4, 0.1333
RGB percentages6.7%, 40%, 13.3%
HSLhsl(132, 71.4%, 23.3%)
HSV / HSBhsv(132, 83.3%, 40%)
CMYK83.3%, 0%, 66.7%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,140,258
CSS custom property--colour: #116622;
Brightness & contrast
Relative luminance0.09737WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.12:1
Contrast with white7.12:1WCAG normal text: AAA
Contrast with black2.95:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#EE99DD
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.12:1WCAG large text: AAA
Contrast with black, large text2.95:1WCAG large text: Fail
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#661155
Analogous#2B6611, #11664D
Triadic#221166, #662211
Split complementary#4D1166, #66112A
Tetradic#112A66, #661155, #664C11
Tints, shades & saturation
Channel breakdown
R17
G102
B34
Red17 (6.7%)
Green102 (40%)
Blue34 (13.3%)
Hue132°
Saturation (HSL)71.43%
Lightness23.33%
Dominant channelGreen
Hex per channelR 11 · G 66 · B 22
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Harmonies
Similar named colours
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