Number

1,120

Positive
Even
Composite
4 digits

1,120 is an even 4-digit integer and a composite number. It has 24 divisors and a digital root of 4.

Number properties

ParityEvendivisible by 2

SignPositive

PrimalityComposite

Absolute value1,120

Digit count4

Digit sum4

Digital root4repeated digit sum

PalindromicNoreads differently backwards

Happy numberNosquared-digit sums reach 1

Harshad numberYesdivisible by its own digit sum

Factors & divisors

Prime factorisation2^5 × 5 × 7

Distinct prime factors32, 5, 7

Number of divisors24

Sum of divisors σ(n)3,024

Aliquot sum1,904sum of the proper divisors

ClassificationAbundantthe aliquot sum exceeds the number

Euler's totient φ(n)384integers below n that share no factor with it

SquarefreeNohas a repeated prime factor

All divisors1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1,12024 in total

Arithmetic

Previous number1,119

Next number1,121

Double2,240

Half560

Square1,254,400

Cube1,404,928,000

Square root33.466401061≈irrational, shown to 9 decimal places

Cube root10.384988204≈

Negation-1,120

Reciprocal0.0008928571≈

Representations

Decimal1,120

Binary1000110000011 bits

Octal2140

Hexadecimal460

Base 36V4

Roman numeralMCXX

In wordsone thousand, one hundred and twenty

Ordinalone thousand, one hundred and twentieth

Scientific notation1.12 × 10^3

Engineering notation1.12 × 10^3

Nearest landmarks

Next prime1,123+3

Previous prime1,117−3

Distance to nearest prime3

Nearest square below1,089

Nearest square above1,156

Powers & multiples

1,120 to the power 21,254,400

1,120 to the power 31,404,928,000

1,120 to the power 41,573,519,360,000

1,120 to the power 51,762,341,683,200,000

First ten multiples1,120, 2,240, 3,360, 4,480, 5,600, 6,720, 7,840, 8,960, 10,080, 11,200

Powers of twoBetween 2^10 (1,024) and 2^11 (2,048)

Divisibility tests

Divisible by 2Yes

Divisible by 3No, remainder 1

Divisible by 4Yes

Divisible by 5Yes

Divisible by 6No, remainder 4

Divisible by 7Yes

Divisible by 8Yes

Divisible by 9No, remainder 4

Divisible by 10Yes

Divisible by 11No, remainder 9

Divisible by 12No, remainder 4

Divisible by 100No, remainder 20

Collatz (3n + 1) trajectory

Steps to reach 118the total stopping time

Highest value reached1,120

Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven

First steps1,120 → 560 → 280 → 140 → 70 → 35 → 106 → 53 → 160 → 80 → …

Last steps… → 5 → 16 → 8 → 4 → 2 → 1

As a percentage & fraction

As a percentage112,000%

1,120% as a decimal11.2

1,120% of 1001,120

1,120% of 1,00011,200

As a fraction of 1001,120/100

Read another way

As seconds18 minutes and 40 seconds

As bytes1.094 KiB

As a year1120 AD

As a 24-bit colour#000460

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Neighbouring numbers

Derived from 1,120

Nearby primes

1120 (year)

Leap year
366 days
12th century
Rat

1120 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

Century12th century

Decade1120s

Chinese zodiacRat

Easter Sunday28 March

Months of 1120

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-26,823,484,800

Unix timestamp at the end-26,791,862,401

Years from now906 years ago

Days from today331,163 days since 1 January

The number 1120

As a number1,120

In wordsone thousand, one hundred and twenty

Roman numeralsMCXX

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Neighbouring years

Key dates

Also reads as

#111122 (colour)

#111122
Blue
Dark
Nearest: Black

#111122 is a blue with RGB values 17, 17, 34 and HSL 240°, 33%, 10%. It is a dark colour, so white text on it reaches 18.6:1 contrast (AAA for normal text). The nearest named colour is Black.

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Colour values

#111122#111122

HEX#111122

HEX (short)#112

RGBrgb(17, 17, 34)

RGB (0–1)0.0667, 0.0667, 0.1333

RGB percentages6.7%, 6.7%, 13.3%

HSLhsl(240, 33.3%, 10%)

HSV / HSBhsv(240, 50%, 13.3%)

CMYK50%, 50%, 0%, 86.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,118,498

CSS custom property--colour: #111122;

Brightness & contrast

Relative luminance0.00636WCAG 2.x, 0 is black and 1 is white

Perceived brightness19.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.63:1

Contrast with white18.63:1WCAG normal text: AAA

Contrast with black1.13:1WCAG normal text: Fail

Greyscale equivalent#121212

Inverted#EEEEDD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0B1323no red cones; affects about 1% of men; ΔE 2.8 from the original

Deuteranopia#0B1222no green cones; the most common form, about 1% of men; ΔE 2.5 from the original

Tritanopia#0C1417no blue cones; rare, and affects men and women equally; ΔE 11 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.63:1WCAG large text: AAA

Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Black · ΔE 13.7 Dark slate grey · ΔE 31.3 Dim grey · ΔE 40.6 Dark slateblue · ΔE 44.9 Slate grey · ΔE 47.6 Midnight blue · ΔE 47.7

Nearest named CSS colourBlack (#000000)ΔE 13.69, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#222211

Analogous#111A22, #1A1122

Triadic#221111, #112211

Split complementary#221A11, #1A2211

Tetradic#22111A, #222211, #11221A

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#5555AA

Lighter +30%#444488

Lighter +20%#333366

Lighter +10%#222244

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0B0B28

Less saturated −25%#17171C

Channel breakdown

R17

G17

B34

Red17 (6.7%)

Green17 (6.7%)

Blue34 (13.3%)

Hue240°

Saturation (HSL)33.33%

Lightness10%

Dominant channelBlue

Hex per channelR 11 · G 11 · B 22

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1,120

Number properties

Factors & divisors

Arithmetic

Representations

Nearest landmarks

Powers & multiples

Divisibility tests

Collatz (3n + 1) trajectory

As a percentage & fraction

Read another way

Keep nerding

Neighbouring numbers

Derived from 1,120

Nearby primes

Other readings

1120 (year)

Structure of the year

Months of 1120

Time references

The number 1120

Keep nerding

Neighbouring years

Key dates

#111122 (colour)

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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