Number

1,429

Positive
Odd
Prime
4 digits

1,429 is an odd 4-digit integer and a prime number. It has 2 divisors and a digital root of 7.

Number properties

ParityOddnot divisible by 2

SignPositive

PrimalityPrime

Absolute value1,429

Digit count4

Digit sum16

Digital root7repeated digit sum

PalindromicNoreads differently backwards

Happy numberNosquared-digit sums reach 1

Harshad numberNodivisible by its own digit sum

Factors & divisors

Prime factorisation1,429

Distinct prime factors11,429

Number of divisors2

Sum of divisors σ(n)1,430

Aliquot sum1sum of the proper divisors

ClassificationDeficientthe aliquot sum is less than the number

Euler's totient φ(n)1,428integers below n that share no factor with it

SquarefreeYesno repeated prime factor

All divisors1, 1,4292 in total

Arithmetic

Previous number1,428

Next number1,430

Double2,858

Half714.5

Square2,042,041

Cube2,918,076,589

Square root37.802116343≈irrational, shown to 9 decimal places

Cube root11.26360494≈

Negation-1,429

Reciprocal0.0006997901≈

Representations

Decimal1,429

Binary1011001010111 bits

Octal2625

Hexadecimal595

Base 3613P

Roman numeralMCDXXIX

In wordsone thousand, four hundred and twenty-nine

Ordinalone thousand, four hundred and twenty-ninth

Scientific notation1.429 × 10^3

Engineering notation1.429 × 10^3

Nearest landmarks

Next prime1,433+4

Previous prime1,427−2

Distance to nearest prime0, it is prime

Nearest square below1,369

Nearest square above1,444

Powers & multiples

1,429 to the power 22,042,041

1,429 to the power 32,918,076,589

1,429 to the power 44,169,931,445,681

1,429 to the power 55,958,832,035,878,149

First ten multiples1,429, 2,858, 4,287, 5,716, 7,145, 8,574, 10,003, 11,432, 12,861, 14,290

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 4

Divisible by 6No, remainder 1

Divisible by 7No, remainder 1

Divisible by 8No, remainder 5

Divisible by 9No, remainder 7

Divisible by 10No, remainder 9

Divisible by 11No, remainder 10

Divisible by 12No, remainder 1

Divisible by 100No, remainder 29

Collatz (3n + 1) trajectory

Steps to reach 134the total stopping time

Highest value reached4,2883× the starting value

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

First steps1,429 → 4,288 → 2,144 → 1,072 → 536 → 268 → 134 → 67 → 202 → 101 → …

Last steps… → 5 → 16 → 8 → 4 → 2 → 1

As a percentage & fraction

As a percentage142,900%

1,429% as a decimal14.29

1,429% of 1001,429

1,429% of 1,00014,290

As a fraction of 1001,429/100

Read another way

As seconds23 minutes and 49 seconds

As bytes1.396 KiB

As a year1429 AD

As a 24-bit colour#000595

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Neighbouring numbers

Derived from 1,429

Nearby primes

1429 (year)

Common year
365 days
15th century
Rooster

1429 was a common year of 365 days. It began on a Thursday and ended on a Thursday. Easter Sunday fell on 29 March.

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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

Century15th century

Decade1420s

Chinese zodiacRooster

Easter Sunday29 March

Months of 1429

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 start-17,072,294,400

Unix timestamp at the end-17,040,758,401

Years from now597 years ago

Days from today218,302 days since 1 January

The number 1429

As a number1,429

In wordsone thousand, four hundred and twenty-nine

Roman numeralsMCDXXIX

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Neighbouring years

Key dates

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 vision Protanopia Deuteranopia Tritanopia

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 23.8 Dark slate grey · ΔE 24.9 Sea green · ΔE 30.4 Dark green · ΔE 33.5 Teal · ΔE 33.9 Dim 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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1,429

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 1,429

Nearby primes

Other readings

1429 (year)

Structure of the year

Months of 1429

Time references

The number 1429

Keep nerding

Neighbouring years

Key dates

#114422 (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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