Number

3,001

Positive
Odd
Prime
4 digits

3,001 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 value3,001

Digit count4

Digit sum4

Digital root4repeated digit sum

PalindromicNoreads differently backwards

Happy numberYessquared-digit sums reach 1

Harshad numberNodivisible by its own digit sum

Factors & divisors

Prime factorisation3,001

Distinct prime factors13,001

Number of divisors2

Sum of divisors σ(n)3,002

Aliquot sum1sum of the proper divisors

ClassificationDeficientthe aliquot sum is less than the number

Euler's totient φ(n)3,000integers below n that share no factor with it

SquarefreeYesno repeated prime factor

All divisors1, 3,0012 in total

Arithmetic

Previous number3,000

Next number3,002

Double6,002

Half1,500.5

Square9,006,001

Cube27,027,009,001

Square root54.781383699≈irrational, shown to 9 decimal places

Cube root14.424098025≈

Negation-3,001

Reciprocal0.0003332223≈

Representations

Decimal3,001

Binary10111011100112 bits

Octal5671

HexadecimalBB9

Base 362BD

Roman numeralMMMI

In wordsthree thousand and one

Ordinalthree thousand and first

Scientific notation3.001 × 10^3

Engineering notation3.001 × 10^3

Nearest landmarks

Next prime3,011+10

Previous prime2,999−2

Distance to nearest prime0, it is prime

Nearest square below2,916

Nearest square above3,025

Powers & multiples

3,001 to the power 29,006,001

3,001 to the power 327,027,009,001

3,001 to the power 481,108,054,012,001

3,001 to the power 5243,405,270,090,015,001

First ten multiples3,001, 6,002, 9,003, 12,004, 15,005, 18,006, 21,007, 24,008, 27,009, 30,010

Powers of twoBetween 2^11 (2,048) and 2^12 (4,096)

Divisibility tests

Divisible by 2No, remainder 1

Divisible by 3No, remainder 1

Divisible by 4No, remainder 1

Divisible by 5No, remainder 1

Divisible by 6No, remainder 1

Divisible by 7No, remainder 5

Divisible by 8No, remainder 1

Divisible by 9No, remainder 4

Divisible by 10No, remainder 1

Divisible by 11No, remainder 9

Divisible by 12No, remainder 1

Divisible by 100No, remainder 1

Collatz (3n + 1) trajectory

Steps to reach 140the total stopping time

Highest value reached10,1323× the starting value

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

First steps3,001 → 9,004 → 4,502 → 2,251 → 6,754 → 3,377 → 10,132 → 5,066 → 2,533 → 7,600 → …

Last steps… → 32 → 16 → 8 → 4 → 2 → 1

As a percentage & fraction

As a percentage300,100%

3,001% as a decimal30.01

3,001% of 1003,001

3,001% of 1,00030,010

As a fraction of 1003,001/100

Read another way

As seconds50 minutes and 1 second

As bytes2.931 KiB

As a 24-bit colour#000BB9

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Neighbouring numbers

Derived from 3,001

Nearby primes

3001 (year)

Common year
365 days
31st century
Rooster

3001 will be a common year of 365 days. It begins on a Thursday and ends on a Thursday. Easter Sunday falls on 5 April.

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Structure of the year

Leap yearNonot divisible by 4

Days in the year365

Weeks in the year53ISO 8601 weeks; 28 December is always in the final week

Days in February28

1 January fell on aThursday

31 December fell on aThursday

Century31st century

Decade3000s

Chinese zodiacRooster

Easter Sunday5 April

Months of 3001

January31 days, starts Thursday

February28 days, starts Sunday

March31 days, starts Sunday

April30 days, starts Wednesday

May31 days, starts Friday

June30 days, starts Monday

July31 days, starts Wednesday

August31 days, starts Saturday

September30 days, starts Tuesday

October31 days, starts Thursday

November30 days, starts Sunday

December31 days, starts Tuesday

Time references

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

Unix timestamp at the start32,535,216,000

Unix timestamp at the end32,566,751,999

Years from now975 years from now

Days from today355,859 days to 1 January

The number 3001

As a number3,001

In wordsthree thousand and one

Roman numeralsMMMI

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Neighbouring years

Key dates

Also reads as

#330000 (colour)

#330000
Red
Dark
Nearest: Black

#330000 is a red with RGB values 51, 0, 0 and HSL 0°, 100%, 10%. It is a dark colour, so white text on it reaches 18.4:1 contrast (AAA for normal text). The nearest named colour is Black.

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Colour values

#330000#330000

HEX#330000

HEX (short)#300

RGBrgb(51, 0, 0)

RGB (0–1)0.2, 0, 0

RGB percentages20%, 0%, 0%

HSLhsl(0, 100%, 10%)

HSV / HSBhsv(0, 100%, 20%)

CMYK0%, 100%, 100%, 80%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,342,336

CSS custom property--colour: #330000;

Brightness & contrast

Relative luminance0.00704WCAG 2.x, 0 is black and 1 is white

Perceived brightness27.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.41:1

Contrast with white18.41:1WCAG normal text: AAA

Contrast with black1.14:1WCAG normal text: Fail

Greyscale equivalent#0B0B0B

Inverted#CCFFFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#100C00no red cones; affects about 1% of men; ΔE 26.2 from the original

Deuteranopia#1D1800no green cones; the most common form, about 1% of men; ΔE 26.8 from the original

Tritanopia#390001no blue cones; rare, and affects men and women equally; ΔE 3.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.41:1WCAG large text: AAA

Contrast with black, large text1.14:1WCAG large text: Fail

Named colours

Black · ΔE 27.8 Maroon · ΔE 40.9 Saddle brown · ΔE 43.9 Brown · ΔE 44.6 Sienna · ΔE 45.5 Dark red · ΔE 46

Nearest named CSS colourBlack (#000000)ΔE 27.84, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#003333

Analogous#33001A, #331A00

Triadic#003300, #000033

Split complementary#00331A, #001A33

Tetradic#1A3300, #003333, #1A0033

Tints, shades & saturation

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

Lighter +40%#FF0000

Lighter +30%#CC0000

Lighter +20%#990000

Lighter +10%#660000

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#330000

Less saturated −25%#2D0606

Channel breakdown

R51

Red51 (20%)

Green0 (0%)

Blue0 (0%)

Hue0°

Saturation (HSL)100%

Lightness10%

Dominant channelRed

Hex per channelR 33 · G 00 · B 00

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3,001

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 3,001

Nearby primes

Other readings

3001 (year)

Structure of the year

Months of 3001

Time references

The number 3001

Keep nerding

Neighbouring years

Key dates

#330000 (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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