Recognised as Number
4,424
- Positive
- Even
- Composite
- 4 digits
4,424 is an even 4-digit integer and a composite number. It has 16 divisors and a digital root of 5.
Number properties
ParityEvendivisible by 2
SignPositive
PrimalityComposite
Absolute value4,424
Digit count4
Digit sum14
Digit product128
Multiplicative persistence3times the digit product can be taken before one digit is left
Digital root5repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberYesdivisible by its own digit sum
Factors & divisors
Prime factorisation2^3 × 7 × 79
Distinct prime factors32, 7, 79
Number of divisors16
Sum of divisors σ(n)9,600
Aliquot sum5,176sum of the proper divisors
ClassificationAbundantthe aliquot sum exceeds the number
Euler's totient φ(n)1,872integers below n that share no factor with it
Carmichael function λ(n)78the smallest exponent with aˣ ≡ 1 for every unit; smaller than φ(n) = 1,872
Möbius function μ(n)0zero, because a prime divides n twice
SquarefreeNohas a repeated prime factor
All divisors1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1,106, 2,212, 4,42416 in total
Arithmetic
Previous number4,423
Next number4,425
Double8,848
Half2,212
Square19,571,776
Cube86,585,537,024
Square root66.513156593≈irrational, shown to 9 decimal places
Cube root16.416164906≈
Negation-4,424
Reciprocal0.0002260398≈
Representations
Decimal4,424
Binary100010100100013 bits
Octal10510
Hexadecimal1148
Base 363EW
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordsfour thousand, four hundred and twenty-four
Ordinalfour thousand, four hundred and twenty-fourth
Scientific notation4.424 × 10^3
Engineering notation4.424 × 10^3
In other bases
Ternary20001212base 3; the most digit-efficient integer base after e: 8 digits
Quinary120144base 5; one hand: 6 digits
Septenary15620base 7: 5 digits
Nonary6055base 9; each digit is two ternary digits: 4 digits
Duodecimal2688base 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 4 digits
Vigesimalb14base 20; hands and feet, and the Mayan and Yoruba systems: 3 digits
Sexagesimal1:13:44base 60; Babylonian, and still how an hour and a circle are divided: 3 digits
Balanced ternary1T001T0TTdigits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary1000101011000base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
0001000101001000
Bit length13 bitsto write the magnitude
Set bits4the population count, or Hamming weight
Zero bits9within that length
Bit parityeven4 set bits, so even; not the same as the number itself being even
Highest set bitbit 12worth 4,096
Lowest set bitbit 33 trailing zeros
Power of twoNo
Bytes211 48
Gray code1100111101100n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
16-bit0001000101001000
32-bit00000000000000000001000101001000
64-bit0000000000000000000000000000000000000000000000000001000101001000
One's complement1110111010110111at 16 bits, every bit flipped
Bits reversed0001001010001000at 16 bits
Rotated left by 10010001010010000at 16 bits, wrapping
Shifted left by 110001010010000= 8,848, no wrap
Shifted right by 1100010100100= 2,212, discarding the low bit
These bits as a double2.18574642 × 10^-320≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Nearest landmarks
Powers & multiples
4,424 to the power 219,571,776
4,424 to the power 386,585,537,024
4,424 to the power 4383,054,415,794,176
4,424 to the power 51,694,632,735,473,434,624
First ten multiples4,424, 8,848, 13,272, 17,696, 22,120, 26,544, 30,968, 35,392, 39,816, 44,240
Powers of twoBetween 2^12 (4,096) and 2^13 (8,192)
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 7Yes
Divisible by 8Yes
Divisible by 9No, remainder 5
Divisible by 10No, remainder 4
Divisible by 11No, remainder 2
Divisible by 12No, remainder 8
Divisible by 100No, remainder 24
Collatz (3n + 1) trajectory
Steps to reach 1139the total stopping time
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps4,424 → 2,212 → 1,106 → 553 → 1,660 → 830 → 415 → 1,246 → 623 → 1,870 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage442,400%
4,424% as a decimal44.24
4,424% of 1004,424
4,424% of 1,00044,240
As a fraction of 1004,424/100
Read another way
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Derived from 4,424
Also reads as
4424 (year)
- Leap year
- 366 days
- 45th century
- Dragon
4424 will be a leap year of 366 days. It begins on a Monday and ends on a Tuesday. Easter Sunday falls on 31 March.
Structure of the year
Patterns forced by the calendar
Weekday counts52 of each, plus an extra Monday and Tuesday366 days is 52 weeks and 2 days, and the remainder starts on the weekday 1 January falls on
Sundays52
Mondays53one of the extras
Tuesdays53one of the extras
Wednesdays52
Thursdays52
Fridays52
Saturdays52
Friday the 13th2 of them13 September, 13 December
ISO weeks52an ordinary 52-week year
Same calendar as4396the most recent year whose calendar is identical, so a printed one could be reused
Calendar repeats in4452, 4480, 452028 years later, then again after that; the gap is 6, 11 or 28 years, broken by centuries that skip a leap year
Months of 4424
January31 days, starts Monday
February29 days, starts Thursday
August31 days, starts Thursday
September30 days, starts Sunday
October31 days, starts Tuesday
November30 days, starts Friday
December31 days, starts Sunday
Time references
These values depend on today’s date and change daily.
Unix timestamp at the start77,440,752,000
Unix timestamp at the end77,472,374,399
Years from now2,398 years from now
Days from today875,595 days to 1 January
The number 4424
As a number4,424
In wordsfour thousand, four hundred and twenty-four
Roman numeralsNot defined above 3,999
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Also reads as
#444422 (colour)
- #444422
- Yellow
- Dark
- Nearest: Dark olivegreen
#444422 is a yellow with RGB values 68, 68, 34 and HSL 60°, 33%, 20%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.
Colour values
#444422#444422
HEX#444422
HEX (short)#442
RGBrgb(68, 68, 34)
RGB (0–1)0.2667, 0.2667, 0.1333
RGB percentages26.7%, 26.7%, 13.3%
HSLhsl(60, 33.3%, 20%)
HSV / HSBhsv(60, 50%, 26.7%)
CMYK0%, 0%, 50%, 73.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,473,890
CSS custom property--colour: #444422;
Brightness & contrast
Relative luminance0.05479WCAG 2.x, 0 is black and 1 is white
Perceived brightness65 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.02:1
Contrast with white10.02:1WCAG normal text: AAA
Contrast with black2.1:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#BBBBDD
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.02:1WCAG large text: AAA
Contrast with black, large text2.1:1WCAG large text: Fail
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#222244
Analogous#443322, #334422
Triadic#224444, #442244
Split complementary#223344, #332244
Tetradic#224433, #222244, #442233
Tints, shades & saturation
Channel breakdown
R68
G68
B34
Red68 (26.7%)
Green68 (26.7%)
Blue34 (13.3%)
Hue60°
Saturation (HSL)33.33%
Lightness20%
Dominant channelRed and Green
Hex per channelR 44 · G 44 · B 22
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Harmonies
Similar named colours
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