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Number

370

  • Positive
  • Even
  • Composite
  • 3 digits

370 is an even 3-digit integer and a composite number. It has 8 divisors and a digital root of 1.

Number properties

ParityEvendivisible by 2
SignPositive
PrimalityComposite
Absolute value370
Digit count3
Digit sum10
Digital root1repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberYesdivisible by its own digit sum
Armstrong numberYesdigits raised to the digit count sum to itself

Factors & divisors

Prime factorisation2 × 5 × 37
Distinct prime factors32, 5, 37
Number of divisors8
Sum of divisors σ(n)684
Aliquot sum314sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)144integers below n that share no factor with it
SquarefreeYesno repeated prime factor
All divisors1, 2, 5, 10, 37, 74, 185, 3708 in total

Arithmetic

Previous number369
Next number371
Double740
Half185
Square136,900
Cube50,653,000
Square root19.235384062≈irrational, shown to 9 decimal places
Cube root7.179054352≈
Negation-370
Reciprocal0.0027027027≈
370 factorial1694213784149767714980343603007505751798… (792 digits)

Representations

Decimal370
Binary1011100109 bits
Octal562
Hexadecimal172
Base 36AA
Roman numeralCCCLXX
In wordsthree hundred and seventy
Ordinalthree hundred and seventieth
Scientific notation3.7 × 10^2
Engineering notation370

Nearest landmarks

Next prime373+3
Previous prime367−3
Distance to nearest prime3
Nearest square below361
Nearest square above400

Powers & multiples

370 to the power 2136,900
370 to the power 350,653,000
370 to the power 418,741,610,000
370 to the power 56,934,395,700,000
First ten multiples370, 740, 1,110, 1,480, 1,850, 2,220, 2,590, 2,960, 3,330, 3,700
Powers of twoBetween 2^8 (256) and 2^9 (512)

Divisibility tests

Divisible by 2Yes
Divisible by 3No, remainder 1
Divisible by 4No, remainder 2
Divisible by 5Yes
Divisible by 6No, remainder 4
Divisible by 7No, remainder 6
Divisible by 8No, remainder 2
Divisible by 9No, remainder 1
Divisible by 10Yes
Divisible by 11No, remainder 7
Divisible by 12No, remainder 10
Divisible by 100No, remainder 70

Collatz (3n + 1) trajectory

Steps to reach 145the total stopping time
Highest value reached6281× the starting value
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps370 → 185 → 556 → 278 → 139 → 418 → 209 → 628 → 314 → 157 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1

As a percentage & fraction

As a percentage37,000%
370% as a decimal3.7
370% of 100370
370% of 1,0003,700
As a fraction of 100370/100

Read another way

As seconds6 minutes and 10 seconds
As bytes370 B
As a 24-bit colour#000172

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Neighbouring numbers

Nearby primes

Also reads as

#337700 (colour)

  • #337700
  • Green
  • Dark
  • Nearest: Dark green

#337700 is a green with RGB values 51, 119, 0 and HSL 94°, 100%, 23%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Dark green.

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Colour values

#337700#337700
HEX#337700
HEX (short)#370
RGBrgb(51, 119, 0)
RGB (0–1)0.2, 0.4667, 0
RGB percentages20%, 46.7%, 0%
HSLhsl(94.3, 100%, 23.3%)
HSV / HSBhsv(94.3, 100%, 46.7%)
CMYK57.1%, 0%, 100%, 53.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,372,800
CSS custom property--colour: #337700;

Brightness & contrast

Relative luminance0.13897WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.56:1
Contrast with white5.56:1WCAG normal text: AA
Contrast with black3.78:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#CC88FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7B6C00no red cones; affects about 1% of men; ΔE 36.2 from the original
Deuteranopia#736615no green cones; the most common form, about 1% of men; ΔE 36.5 from the original
Tritanopia#2E7264no blue cones; rare, and affects men and women equally; ΔE 49.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.56:1WCAG large text: AAA
Contrast with black, large text3.78:1WCAG large text: AA

Named colours

Dark green · ΔE 10.8Green · ΔE 11.8Forest green · ΔE 12Olivedrab · ΔE 16Dark olivegreen · ΔE 28Olive · ΔE 29.5
Nearest named CSS colourDark green (#006400)ΔE 10.85, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#440077
Analogous#6E7700, #007708
Triadic#003377, #770033
Split complementary#080077, #77006F
Tetradic#006F77, #440077, #770800

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#94FF44
Lighter +30%#77FF11
Lighter +20%#5FDD00
Lighter +10%#49AA00
Darker −10%#1D4400
Darker −20%#071100
Darker −30%#000000
Darker −40%#000000
More saturated +25%#337700
Less saturated −25%#35680F

Channel breakdown

R51
G119
B0
Red51 (20%)
Green119 (46.7%)
Blue0 (0%)
Hue94.29°
Saturation (HSL)100%
Lightness23.33%
Dominant channelGreen
Hex per channelR 33 · G 77 · B 00

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Every value on this page was computed from “370” by Nerdulator’s number engine. Nothing here was retrieved from a database of answers or written by a model.