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Number

2,504

  • Positive
  • Even
  • Composite
  • 4 digits

2,504 is an even 4-digit integer and a composite number. It has 8 divisors and a digital root of 2.

Number properties

ParityEvendivisible by 2
SignPositive
PrimalityComposite
Absolute value2,504
Digit count4
Digit sum11
Digital root2repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum

Factors & divisors

Prime factorisation2^3 × 313
Distinct prime factors22, 313
Number of divisors8
Sum of divisors σ(n)4,710
Aliquot sum2,206sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)1,248integers below n that share no factor with it
SquarefreeNohas a repeated prime factor
All divisors1, 2, 4, 8, 313, 626, 1,252, 2,5048 in total

Arithmetic

Previous number2,503
Next number2,505
Double5,008
Half1,252
Square6,270,016
Cube15,700,120,064
Square root50.039984013≈irrational, shown to 9 decimal places
Cube root13.579322673≈
Negation-2,504
Reciprocal0.000399361≈

Representations

Decimal2,504
Binary10011100100012 bits
Octal4710
Hexadecimal9C8
Base 361XK
Roman numeralMMDIV
In wordstwo thousand, five hundred and four
Ordinaltwo thousand, five hundred and fourth
Scientific notation2.504 × 10^3
Engineering notation2.504 × 10^3

Nearest landmarks

Next prime2,521+17
Previous prime2,503−1
Distance to nearest prime1
Nearest square below2,500
Nearest square above2,601

Powers & multiples

2,504 to the power 26,270,016
2,504 to the power 315,700,120,064
2,504 to the power 439,313,100,640,256
2,504 to the power 598,440,004,003,201,024
First ten multiples2,504, 5,008, 7,512, 10,016, 12,520, 15,024, 17,528, 20,032, 22,536, 25,040
Powers of twoBetween 2^11 (2,048) and 2^12 (4,096)

Divisibility tests

Divisible by 2Yes
Divisible by 3No, remainder 2
Divisible by 4Yes
Divisible by 5No, remainder 4
Divisible by 6No, remainder 2
Divisible by 7No, remainder 5
Divisible by 8Yes
Divisible by 9No, remainder 2
Divisible by 10No, remainder 4
Divisible by 11No, remainder 7
Divisible by 12No, remainder 8
Divisible by 100No, remainder 4

Collatz (3n + 1) trajectory

Steps to reach 1133the total stopping time
Highest value reached9,2323× the starting value
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps2,504 → 1,252 → 626 → 313 → 940 → 470 → 235 → 706 → 353 → 1,060 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1

As a percentage & fraction

As a percentage250,400%
2,504% as a decimal25.04
2,504% of 1002,504
2,504% of 1,00025,040
As a fraction of 1002,504/100

Read another way

As seconds41 minutes and 44 seconds
As bytes2.445 KiB
As a year2504 AD
As a 24-bit colour#0009C8

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Neighbouring numbers

Nearby primes

Also reads as

2504 (year)

  • Leap year
  • 366 days
  • 26th century
  • Dragon

2504 will be a leap year of 366 days. It begins on a Tuesday and ends on a Wednesday. Easter Sunday falls on 6 April.

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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 year52ISO 8601 weeks; 28 December is always in the final week
Days in February29
1 January fell on aTuesday
31 December fell on aWednesday
Century26th century
Decade2500s
Chinese zodiacDragon
Easter Sunday6 April

Months of 2504

January31 days, starts Tuesday
February29 days, starts Friday
March31 days, starts Saturday
April30 days, starts Tuesday
May31 days, starts Thursday
June30 days, starts Sunday
July31 days, starts Tuesday
August31 days, starts Friday
September30 days, starts Monday
October31 days, starts Wednesday
November30 days, starts Saturday
December31 days, starts Monday

Time references

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

Unix timestamp at the start16,851,369,600
Unix timestamp at the end16,882,991,999
Years from now478 years from now
Days from today174,333 days to 1 January

The number 2504

As a number2,504
In wordstwo thousand, five hundred and four
Roman numeralsMMDIV

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Neighbouring years

Also reads as

#225500 (colour)

  • #225500
  • Green
  • Dark
  • Nearest: Dark green

#225500 is a green with RGB values 34, 85, 0 and HSL 96°, 100%, 17%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Dark green.

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Colour values

#225500#225500
HEX#225500
HEX (short)#250
RGBrgb(34, 85, 0)
RGB (0–1)0.1333, 0.3333, 0
RGB percentages13.3%, 33.3%, 0%
HSLhsl(96, 100%, 16.7%)
HSV / HSBhsv(96, 100%, 33.3%)
CMYK60%, 0%, 100%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,249,984
CSS custom property--colour: #225500;

Brightness & contrast

Relative luminance0.06837WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.87:1
Contrast with white8.87:1WCAG normal text: AAA
Contrast with black2.37:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#DDAAFF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#584D00no red cones; affects about 1% of men; ΔE 28.6 from the original
Deuteranopia#52480Cno green cones; the most common form, about 1% of men; ΔE 29.1 from the original
Tritanopia#1E5147no blue cones; rare, and affects men and women equally; ΔE 39.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.87:1WCAG large text: AAA
Contrast with black, large text2.37:1WCAG large text: Fail

Named colours

Dark green · ΔE 12.9Dark olivegreen · ΔE 18.6Olivedrab · ΔE 26.1Forest green · ΔE 26.9Green · ΔE 27.3Sea green · ΔE 28.3
Nearest named CSS colourDark green (#006400)ΔE 12.93, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#330055
Analogous#4C5500, #005509
Triadic#002255, #550022
Split complementary#080055, #55004D
Tetradic#004C55, #330055, #550800

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7AFF22
Lighter +30%#5FEE00
Lighter +20%#4BBB00
Lighter +10%#368800
Darker −10%#0E2200
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#225500
Less saturated −25%#244A0B

Channel breakdown

R34
G85
B0
Red34 (13.3%)
Green85 (33.3%)
Blue0 (0%)
Hue96°
Saturation (HSL)100%
Lightness16.67%
Dominant channelGreen
Hex per channelR 22 · G 55 · B 00

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Every value on this page was computed from “2504” by Nerdulator’s number engine. Nothing here was retrieved from a database of answers or written by a model.