Number

1,201

Positive
Odd
Prime
4 digits

1,201 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 value1,201

Digit count4

Digit sum4

Digital root4repeated digit sum

PalindromicNoreads differently backwards

Happy numberNosquared-digit sums reach 1

Harshad numberNodivisible by its own digit sum

Factors & divisors

Prime factorisation1,201

Distinct prime factors11,201

Number of divisors2

Sum of divisors σ(n)1,202

Aliquot sum1sum of the proper divisors

ClassificationDeficientthe aliquot sum is less than the number

Euler's totient φ(n)1,200integers below n that share no factor with it

SquarefreeYesno repeated prime factor

All divisors1, 1,2012 in total

Arithmetic

Previous number1,200

Next number1,202

Double2,402

Half600.5

Square1,442,401

Cube1,732,323,601

Square root34.655446902≈irrational, shown to 9 decimal places

Cube root10.629536702≈

Negation-1,201

Reciprocal0.0008326395≈

Representations

Decimal1,201

Binary1001011000111 bits

Octal2261

Hexadecimal4B1

Base 36XD

Roman numeralMCCI

In wordsone thousand, two hundred and one

Ordinalone thousand, two hundred and first

Scientific notation1.201 × 10^3

Engineering notation1.201 × 10^3

Nearest landmarks

Next prime1,213+12

Previous prime1,193−8

Distance to nearest prime0, it is prime

Nearest square below1,156

Nearest square above1,225

Powers & multiples

1,201 to the power 21,442,401

1,201 to the power 31,732,323,601

1,201 to the power 42,080,520,644,801

1,201 to the power 52,498,705,294,406,001

First ten multiples1,201, 2,402, 3,603, 4,804, 6,005, 7,206, 8,407, 9,608, 10,809, 12,010

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

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 4

Divisible by 8No, remainder 1

Divisible by 9No, remainder 4

Divisible by 10No, remainder 1

Divisible by 11No, remainder 2

Divisible by 12No, remainder 1

Divisible by 100No, remainder 1

Collatz (3n + 1) trajectory

Steps to reach 157the total stopping time

Highest value reached4,3723× the starting value

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

First steps1,201 → 3,604 → 1,802 → 901 → 2,704 → 1,352 → 676 → 338 → 169 → 508 → …

Last steps… → 5 → 16 → 8 → 4 → 2 → 1

As a percentage & fraction

As a percentage120,100%

1,201% as a decimal12.01

1,201% of 1001,201

1,201% of 1,00012,010

As a fraction of 1001,201/100

Read another way

As seconds20 minutes and 1 second

As bytes1.173 KiB

As a year1201 AD

As a 24-bit colour#0004B1

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Every link below is a page Nerdulator can generate from what it already knows about this value.

Neighbouring numbers

Derived from 1,201

Nearby primes

1201 (year)

Common year
365 days
13th century
Rooster

1201 was a common year of 365 days. It began on a Monday and ended on a Monday. Easter Sunday fell on 1 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 aMonday

31 December fell on aMonday

Century13th century

Decade1200s

Chinese zodiacRooster

Easter Sunday1 April

Months of 1201

January31 days, starts Monday

February28 days, starts Thursday

March31 days, starts Thursday

April30 days, starts Sunday

May31 days, starts Tuesday

June30 days, starts Friday

July31 days, starts Sunday

August31 days, starts Wednesday

September30 days, starts Saturday

October31 days, starts Monday

November30 days, starts Thursday

December31 days, starts Saturday

Time references

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

Unix timestamp at the start-24,267,254,400

Unix timestamp at the end-24,235,718,401

Years from now825 years ago

Days from today301,577 days since 1 January

The number 1201

As a number1,201

In wordsone thousand, two hundred and one

Roman numeralsMCCI

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Neighbouring years

Key dates

Also reads as

#112200 (colour)

#112200
Green
Dark
Nearest: Black

#112200 is a green with RGB values 17, 34, 0 and HSL 90°, 100%, 7%. It is a dark colour, so white text on it reaches 16.8:1 contrast (AAA for normal text). The nearest named colour is Black.

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Colour values

#112200#112200

HEX#112200

HEX (short)#120

RGBrgb(17, 34, 0)

RGB (0–1)0.0667, 0.1333, 0

RGB percentages6.7%, 13.3%, 0%

HSLhsl(90, 100%, 6.7%)

HSV / HSBhsv(90, 100%, 13.3%)

CMYK50%, 0%, 100%, 86.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,122,816

CSS custom property--colour: #112200;

Brightness & contrast

Relative luminance0.01263WCAG 2.x, 0 is black and 1 is white

Perceived brightness27.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.76:1

Contrast with white16.76:1WCAG normal text: AAA

Contrast with black1.25:1WCAG normal text: Fail

Greyscale equivalent#1C1C1C

Inverted#EEDDFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#241E00no red cones; affects about 1% of men; ΔE 13.1 from the original

Deuteranopia#221D02no green cones; the most common form, about 1% of men; ΔE 12.9 from the original

Tritanopia#11201Bno blue cones; rare, and affects men and women equally; ΔE 16.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.76:1WCAG large text: AAA

Contrast with black, large text1.25:1WCAG large text: Fail

Named colours

Black · ΔE 24.4 Dark slate grey · ΔE 28.5 Dark olivegreen · ΔE 34.7 Dim grey · ΔE 39.8 Dark green · ΔE 46.1 Teal · ΔE 46.8

Nearest named CSS colourBlack (#000000)ΔE 24.36, a distinctly different colour

Hue familygreen

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#110022

Analogous#222200, #002200

Triadic#001122, #220011

Split complementary#000022, #220022

Tetradic#002222, #110022, #220000

Tints, shades & saturation

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

Lighter +40%#77EE00

Lighter +30%#5EBB00

Lighter +20%#448800

Lighter +10%#2B5500

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#112200

Less saturated −25%#111E04

Channel breakdown

R17

G34

Red17 (6.7%)

Green34 (13.3%)

Blue0 (0%)

Hue90°

Saturation (HSL)100%

Lightness6.67%

Dominant channelGreen

Hex per channelR 11 · G 22 · B 00

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

1,201

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 1,201

Nearby primes

Other readings

1201 (year)

Structure of the year

Months of 1201

Time references

The number 1201

Keep nerding

Neighbouring years

Key dates

#112200 (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

Nerdulate something else