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Number

1,424

  • Positive
  • Even
  • Composite
  • 4 digits

1,424 is an even 4-digit integer and a composite number. It has 10 divisors and a digital root of 2.

Number properties

ParityEvendivisible by 2
SignPositive
PrimalityComposite
Absolute value1,424
Digit count4
Digit sum11
Digital root2repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum

Factors & divisors

Prime factorisation2^4 × 89
Distinct prime factors22, 89
Number of divisors10
Sum of divisors σ(n)2,790
Aliquot sum1,366sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)704integers below n that share no factor with it
SquarefreeNohas a repeated prime factor
All divisors1, 2, 4, 8, 16, 89, 178, 356, 712, 1,42410 in total

Arithmetic

Previous number1,423
Next number1,425
Double2,848
Half712
Square2,027,776
Cube2,887,553,024
Square root37.735924528≈irrational, shown to 9 decimal places
Cube root11.250452657≈
Negation-1,424
Reciprocal0.0007022472≈

Representations

Decimal1,424
Binary1011001000011 bits
Octal2620
Hexadecimal590
Base 3613K
Roman numeralMCDXXIV
In wordsone thousand, four hundred and twenty-four
Ordinalone thousand, four hundred and twenty-fourth
Scientific notation1.424 × 10^3
Engineering notation1.424 × 10^3

Nearest landmarks

Next prime1,427+3
Previous prime1,423−1
Distance to nearest prime1
Nearest square below1,369
Nearest square above1,444

Powers & multiples

1,424 to the power 22,027,776
1,424 to the power 32,887,553,024
1,424 to the power 44,111,875,506,176
1,424 to the power 55,855,310,720,794,624
First ten multiples1,424, 2,848, 4,272, 5,696, 7,120, 8,544, 9,968, 11,392, 12,816, 14,240
Powers of twoBetween 2^10 (1,024) and 2^11 (2,048)

Divisibility tests

Divisible by 2Yes
Divisible by 3No, remainder 2
Divisible by 4Yes
Divisible by 5No, remainder 4
Divisible by 6No, remainder 2
Divisible by 7No, remainder 3
Divisible by 8Yes
Divisible by 9No, remainder 2
Divisible by 10No, remainder 4
Divisible by 11No, remainder 5
Divisible by 12No, remainder 8
Divisible by 100No, remainder 24

Collatz (3n + 1) trajectory

Steps to reach 134the total stopping time
Highest value reached1,424
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps1,424 → 712 → 356 → 178 → 89 → 268 → 134 → 67 → 202 → 101 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1

As a percentage & fraction

As a percentage142,400%
1,424% as a decimal14.24
1,424% of 1001,424
1,424% of 1,00014,240
As a fraction of 1001,424/100

Read another way

As seconds23 minutes and 44 seconds
As bytes1.391 KiB
As a year1424 AD
As a 24-bit colour#000590

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Neighbouring numbers

Nearby primes

Also reads as

1424 (year)

  • Leap year
  • 366 days
  • 15th century
  • Dragon

1424 was a leap year of 366 days. It began on a Thursday and ended on a Friday. Easter Sunday fell on 28 March.

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Structure of the year

Leap yearYesdivisible by 4, and by 400 if divisible by 100
Days in the year366
Weeks in the year53ISO 8601 weeks; 28 December is always in the final week
Days in February29
1 January fell on aThursday
31 December fell on aFriday
Century15th century
Decade1420s
Chinese zodiacDragon
Easter Sunday28 March

Months of 1424

January31 days, starts Thursday
February29 days, starts Sunday
March31 days, starts Monday
April30 days, starts Thursday
May31 days, starts Saturday
June30 days, starts Tuesday
July31 days, starts Thursday
August31 days, starts Sunday
September30 days, starts Wednesday
October31 days, starts Friday
November30 days, starts Monday
December31 days, starts Wednesday

Time references

These values depend on today’s date and change daily.

Unix timestamp at the start-17,230,147,200
Unix timestamp at the end-17,198,524,801
Years from now602 years ago
Days from today220,129 days since 1 January

The number 1424

As a number1,424
In wordsone thousand, four hundred and twenty-four
Roman numeralsMCDXXIV

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Neighbouring years

Also reads as

#114422 (colour)

  • #114422
  • Green
  • Dark
  • Nearest: Dark olivegreen

#114422 is a green with RGB values 17, 68, 34 and HSL 140°, 60%, 17%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

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Colour values

#114422#114422
HEX#114422
HEX (short)#142
RGBrgb(17, 68, 34)
RGB (0–1)0.0667, 0.2667, 0.1333
RGB percentages6.7%, 26.7%, 13.3%
HSLhsl(140, 60%, 16.7%)
HSV / HSBhsv(140, 75%, 26.7%)
CMYK75%, 0%, 50%, 73.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,131,554
CSS custom property--colour: #114422;

Brightness & contrast

Relative luminance0.04369WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.21:1
Contrast with white11.21:1WCAG normal text: AAA
Contrast with black1.87:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#EEBBDD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#443E1Fno red cones; affects about 1% of men; ΔE 23.6 from the original
Deuteranopia#3E3924no green cones; the most common form, about 1% of men; ΔE 24.2 from the original
Tritanopia#00433Cno blue cones; rare, and affects men and women equally; ΔE 17.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.21:1WCAG large text: AAA
Contrast with black, large text1.87:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 23.8Dark slate grey · ΔE 24.9Sea green · ΔE 30.4Dark green · ΔE 33.5Teal · ΔE 33.9Dim grey · ΔE 36
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 23.84, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#441133
Analogous#194411, #11443C
Triadic#221144, #442211
Split complementary#3B1144, #44111A
Tetradic#111944, #441133, #443B11

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4ED37A
Lighter +30%#30BE5F
Lighter +20%#25964B
Lighter +10%#1B6D36
Darker −10%#071B0E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#064F1E
Less saturated −25%#1C3926

Channel breakdown

R17
G68
B34
Red17 (6.7%)
Green68 (26.7%)
Blue34 (13.3%)
Hue140°
Saturation (HSL)60%
Lightness16.67%
Dominant channelGreen
Hex per channelR 11 · G 44 · B 22

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Every value on this page was computed from “1424” by Nerdulator’s number engine. Nothing here was retrieved from a database of answers or written by a model.