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Number

188,001

  • Positive
  • Odd
  • Composite
  • 6 digits

188,001 is an odd 6-digit integer and a composite number. It has 20 divisors and a digital root of 9.

Number properties

ParityOddnot divisible by 2
SignPositive
PrimalityComposite
Absolute value188,001
Digit count6
Digit sum18
Digital root9repeated digit sum
PalindromicNoreads differently backwards
Happy numberYessquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum

Factors & divisors

Prime factorisation3^4 × 11 × 211
Distinct prime factors33, 11, 211
Number of divisors20
Sum of divisors σ(n)307,824
Aliquot sum119,823sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)113,400integers below n that share no factor with it
SquarefreeNohas a repeated prime factor
All divisors1, 3, 9, 11, 27, 33, 81, 99, 211, 297, 633, 891, 1,899, 2,321, 5,697, 6,963, 17,091, 20,889, 62,667, 188,00120 in total

Arithmetic

Previous number188,000
Next number188,002
Double376,002
Half94,000.5
Square35,344,376,001
Cube6,644,778,032,564,001
Square root433.590820936≈irrational, shown to 9 decimal places
Cube root57.286644732≈
Negation-188,001
Reciprocal0.0000053191≈

Representations

Decimal188,001
Binary10110111100110000118 bits
Octal557141
Hexadecimal2DE61
Base 364129
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordsone hundred and eighty-eight thousand and one
Ordinalone hundred and eighty-eight thousand and first
Scientific notation1.88001 × 10^5
Engineering notation188.001 × 10^3

Nearest landmarks

Next prime188,011+10
Previous prime187,987−14
Distance to nearest prime10
Nearest square below187,489
Nearest square above188,356

Powers & multiples

188,001 to the power 235,344,376,001
188,001 to the power 36,644,778,032,564,001
188,001 to the power 41,249,224,914,900,064,752,001
188,001 to the power 5234,855,533,226,127,073,440,940,001
First ten multiples188,001, 376,002, 564,003, 752,004, 940,005, 1,128,006, 1,316,007, 1,504,008, 1,692,009, 1,880,010
Powers of twoBetween 2^17 (131,072) and 2^18 (262,144)

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 11Yes
Divisible by 12No, remainder 9
Divisible by 100No, remainder 1

Collatz (3n + 1) trajectory

Steps to reach 159the total stopping time
Highest value reached713,8243× the starting value
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps188,001 → 564,004 → 282,002 → 141,001 → 423,004 → 211,502 → 105,751 → 317,254 → 158,627 → 475,882 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1

As a percentage & fraction

As a percentage18,800,100%
188,001% as a decimal1,880.01
188,001% of 100188,001
188,001% of 1,0001,880,010
As a fraction of 100188,001/100

Read another way

As seconds2 days, 4 hours and 13 minutes
As bytes183.595 KiB
As a 24-bit colour#02DE61

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Neighbouring numbers

Nearby primes

Also reads as

#188001 (colour)

  • #188001
  • Green
  • Dark
  • Nearest: Green

#188001 is a green with RGB values 24, 128, 1 and HSL 109°, 98%, 25%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Green.

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Colour values

#188001#188001
HEX#188001
RGBrgb(24, 128, 1)
RGB (0–1)0.0941, 0.502, 0.0039
RGB percentages9.4%, 50.2%, 0.4%
HSLhsl(109.1, 98.4%, 25.3%)
HSV / HSBhsv(109.1, 99.2%, 50.2%)
CMYK81.3%, 0%, 99.2%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,605,633
CSS custom property--colour: #188001;

Brightness & contrast

Relative luminance0.15635WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.09:1
Contrast with white5.09:1WCAG normal text: AA
Contrast with black4.13:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#E77FFE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#837300no red cones; affects about 1% of men; ΔE 45.2 from the original
Deuteranopia#786B19no green cones; the most common form, about 1% of men; ΔE 45.3 from the original
Tritanopia#007C6Cno blue cones; rare, and affects men and women equally; ΔE 52.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.09:1WCAG large text: AAA
Contrast with black, large text4.13:1WCAG large text: AA

Named colours

Green · ΔE 2.4Forest green · ΔE 6.5Dark green · ΔE 14.4Olivedrab · ΔE 22.6Sea green · ΔE 31.9Medium seagreen · ΔE 31.9
Nearest named CSS colourGreen (#008000)ΔE 2.4, a close match
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#690180
Analogous#578001, #01802A
Triadic#011880, #800118
Split complementary#290180, #800158
Tetradic#015880, #690180, #802A01

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6FFE4F
Lighter +30%#45FD1D
Lighter +20%#2BE502
Lighter +10%#21B301
Darker −10%#0F4D01
Darker −20%#051B00
Darker −30%#000000
Darker −40%#000000
More saturated +25%#178100
Less saturated −25%#227011

Channel breakdown

R24
G128
B1
Red24 (9.4%)
Green128 (50.2%)
Blue1 (0.4%)
Hue109.13°
Saturation (HSL)98.45%
Lightness25.29%
Dominant channelGreen
Hex per channelR 18 · G 80 · B 01

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Every value on this page was computed from “188001” by Nerdulator’s number engine. Nothing here was retrieved from a database of answers or written by a model.