Number

9,967

Positive
Odd
Prime
4 digits

9,967 is an odd 4-digit integer and a prime number. It has 2 divisors and a digital root of 4.

Number properties

ParityOddnot divisible by 2

SignPositive

PrimalityPrime

Absolute value9,967

Digit count4

Digit sum31

Digital root4repeated digit sum

PalindromicNoreads differently backwards

Happy numberNosquared-digit sums reach 1

Harshad numberNodivisible by its own digit sum

Factors & divisors

Prime factorisation9,967

Distinct prime factors19,967

Number of divisors2

Sum of divisors σ(n)9,968

Aliquot sum1sum of the proper divisors

ClassificationDeficientthe aliquot sum is less than the number

Euler's totient φ(n)9,966integers below n that share no factor with it

SquarefreeYesno repeated prime factor

All divisors1, 9,9672 in total

Arithmetic

Previous number9,966

Next number9,968

Double19,934

Half4,983.5

Square99,341,089

Cube990,132,634,063

Square root99.83486365≈irrational, shown to 9 decimal places

Cube root21.520622002≈

Negation-9,967

Reciprocal0.0001003311≈

Representations

Decimal9,967

Binary1001101110111114 bits

Octal23357

Hexadecimal26EF

Base 367OV

Roman numeralNot defined above 3,999there is no agreed standard notation

In wordsnine thousand, nine hundred and sixty-seven

Ordinalnine thousand, nine hundred and sixty-seventh

Scientific notation9.967 × 10^3

Engineering notation9.967 × 10^3

Nearest landmarks

Next prime9,973+6

Previous prime9,949−18

Distance to nearest prime0, it is prime

Nearest square below9,801

Nearest square above10,000

Powers & multiples

9,967 to the power 299,341,089

9,967 to the power 3990,132,634,063

9,967 to the power 49,868,651,963,705,921

9,967 to the power 598,360,854,122,256,914,607

First ten multiples9,967, 19,934, 29,901, 39,868, 49,835, 59,802, 69,769, 79,736, 89,703, 99,670

Powers of twoBetween 2^13 (8,192) and 2^14 (16,384)

Divisibility tests

Divisible by 2No, remainder 1

Divisible by 3No, remainder 1

Divisible by 4No, remainder 3

Divisible by 5No, remainder 2

Divisible by 6No, remainder 1

Divisible by 7No, remainder 6

Divisible by 8No, remainder 7

Divisible by 9No, remainder 4

Divisible by 10No, remainder 7

Divisible by 11No, remainder 1

Divisible by 12No, remainder 7

Divisible by 100No, remainder 67

Collatz (3n + 1) trajectory

Steps to reach 173the total stopping time

Highest value reached255,47225× the starting value

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

First steps9,967 → 29,902 → 14,951 → 44,854 → 22,427 → 67,282 → 33,641 → 100,924 → 50,462 → 25,231 → …

Last steps… → 5 → 16 → 8 → 4 → 2 → 1

As a percentage & fraction

As a percentage996,700%

9,967% as a decimal99.67

9,967% of 1009,967

9,967% of 1,00099,670

As a fraction of 1009,967/100

Read another way

As seconds2 hours, 46 minutes and 7 seconds

As bytes9.733 KiB

As a 24-bit colour#0026EF

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Neighbouring numbers

Derived from 9,967

Nearby primes

9967 (year)

Common year
365 days
100th century
Rabbit

9967 will be a common year of 365 days. It begins on a Sunday and ends on a Sunday. Easter Sunday falls on 23 April.

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Structure of the year

Leap yearNonot divisible by 4

Days in the year365

Weeks in the year52ISO 8601 weeks; 28 December is always in the final week

Days in February28

1 January fell on aSunday

31 December fell on aSunday

Century100th century

Decade9960s

Chinese zodiacRabbit

Easter Sunday23 April

Months of 9967

January31 days, starts Sunday

February28 days, starts Wednesday

March31 days, starts Wednesday

April30 days, starts Saturday

May31 days, starts Monday

June30 days, starts Thursday

July31 days, starts Saturday

August31 days, starts Tuesday

September30 days, starts Friday

October31 days, starts Sunday

November30 days, starts Wednesday

December31 days, starts Friday

Time references

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

Unix timestamp at the start252,360,921,600

Unix timestamp at the end252,392,457,599

Years from now7,941 years from now

Days from today2,900,137 days to 1 January

The number 9967

As a number9,967

In wordsnine thousand, nine hundred and sixty-seven

Roman numeralsNot defined above 3,999

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Neighbouring years

Key dates

Also reads as

#999966 (colour)

#999966
Yellow
Dark
Nearest: Dark khaki

#999966 is a yellow with RGB values 153, 153, 102 and HSL 60°, 20%, 50%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dark khaki.

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Colour values

#999966#999966

HEX#999966

HEX (short)#996

RGBrgb(153, 153, 102)

RGB (0–1)0.6, 0.6, 0.4

RGB percentages60%, 60%, 40%

HSLhsl(60, 20%, 50%)

HSV / HSBhsv(60, 33.3%, 60%)

CMYK0%, 0%, 33.3%, 40%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,066,278

CSS custom property--colour: #999966;

Brightness & contrast

Relative luminance0.30514WCAG 2.x, 0 is black and 1 is white

Perceived brightness148.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.1:1

Contrast with white2.96:1WCAG normal text: Fail

Contrast with black7.1:1WCAG normal text: AAA

Greyscale equivalent#959595

Inverted#666699

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A19562no red cones; affects about 1% of men; ΔE 5.3 from the original

Deuteranopia#A29768no green cones; the most common form, about 1% of men; ΔE 5.1 from the original

Tritanopia#A0938Cno blue cones; rare, and affects men and women equally; ΔE 24.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.96:1WCAG large text: Fail

Contrast with black, large text7.1:1WCAG large text: AAA

Named colours

Dark khaki · ΔE 16.8 Tan · ΔE 18.6 Dark seagreen · ΔE 20.5 Burlywood · ΔE 21.6 Dark olivegreen · ΔE 22.8 Dark grey · ΔE 29

Nearest named CSS colourDark khaki (#BDB76B)ΔE 16.79, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#666699

Analogous#998066, #809966

Triadic#669999, #996699

Split complementary#668099, #806699

Tetradic#669980, #666699, #996680

Tints, shades & saturation

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

Lighter +40%#EBEBE0

Lighter +30%#D6D6C2

Lighter +20%#C2C2A3

Lighter +10%#ADAD85

Darker −10%#7A7A52

Darker −20%#5C5C3D

Darker −30%#3D3D29

Darker −40%#1F1F14

More saturated +25%#B9B946

Less saturated −25%#808080

Channel breakdown

R153

G153

B102

Red153 (60%)

Green153 (60%)

Blue102 (40%)

Hue60°

Saturation (HSL)20%

Lightness50%

Dominant channelRed and Green

Hex per channelR 99 · G 99 · B 66

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9,967

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 9,967

Nearby primes

Other readings

9967 (year)

Structure of the year

Months of 9967

Time references

The number 9967

Keep nerding

Neighbouring years

Key dates

#999966 (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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