Recognised as Number
472,143
- Positive
- Odd
- Composite
- 6 digits
472,143 is an odd 6-digit integer and a composite number. It has 8 divisors and a digital root of 3.
Number properties
ParityOddnot divisible by 2
SignPositive
PrimalityComposite
Absolute value472,143
Digit count6
Digit sum21
Digit product672
Multiplicative persistence4times the digit product can be taken before one digit is left
Digital root3repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberYesdivisible by its own digit sum
Factors & divisors
Prime factorisation3 × 7 × 22,483
Distinct prime factors33, 7, 22,483
Number of divisors8
Sum of divisors σ(n)719,488
Aliquot sum247,345sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)269,784integers below n that share no factor with it
Carmichael function λ(n)22,482the smallest exponent with aˣ ≡ 1 for every unit; smaller than φ(n) = 269,784
Möbius function μ(n)−13 distinct prime factors, an odd number of them
SquarefreeYesno repeated prime factor
All divisors1, 3, 7, 21, 22,483, 67,449, 157,381, 472,1438 in total
Arithmetic
Representations
Decimal472,143
Binary111001101000100111119 bits
Octal1632117
Hexadecimal7344F
Base 36A4B3
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordsfour hundred and seventy-two thousand, one hundred and forty-three
Ordinalfour hundred and seventy-two thousand, one hundred and forty-third
Scientific notation4.72143 × 10^5
Engineering notation472.143 × 10^3
In other bases
Ternary212222122210base 3; the most digit-efficient integer base after e: 12 digits
Quinary110102033base 5; one hand: 9 digits
Septenary4004340base 7: 7 digits
Nonary788583base 9; each digit is two ternary digits: 6 digits
Duodecimal1a9293base 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 6 digits
Vigesimal2j073base 20; hands and feet, and the Mayan and Yoruba systems: 5 digits
Sexagesimal2:11:9:3base 60; Babylonian, and still how an hour and a circle are divided: 4 digits
Balanced ternary10T0000T00T10digits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary110110111010001010011base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
00000000000001110011010001001111
Bit length19 bitsto write the magnitude
Set bits11the population count, or Hamming weight
Zero bits8within that length
Bit parityodd11 set bits, so odd; not the same as the number itself being odd
Highest set bitbit 18worth 262,144
Lowest set bitbit 00 trailing zeros
Power of twoNo
Bytes307 34 4f
Gray code1001010111001101000n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
32-bit00000000000001110011010001001111
64-bit0000000000000000000000000000000000000000000001110011010001001111
One's complement11111111111110001100101110110000at 32 bits, every bit flipped
Bits reversed11110010001011001110000000000000at 32 bits
Rotated left by 100000000000011100110100010011110at 32 bits, wrapping
Shifted left by 111100110100010011110= 944,286, no wrap
Shifted right by 1111001101000100111= 236,071, discarding the low bit
These bits as a double2.33269636 × 10^-318≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Nearest landmarks
Powers & multiples
472,143 to the power 2222,919,012,449
472,143 to the power 3105,249,651,294,708,207
472,143 to the power 449,692,886,111,237,416,977,601
472,143 to the power 523,462,148,327,217,967,764,055,468,943
First ten multiples472,143, 944,286, 1,416,429, 1,888,572, 2,360,715, 2,832,858, 3,305,001, 3,777,144, 4,249,287, 4,721,430
Powers of twoBetween 2^18 (262,144) and 2^19 (524,288)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3Yes
Divisible by 4No, remainder 3
Divisible by 5No, remainder 3
Divisible by 6No, remainder 3
Divisible by 7Yes
Divisible by 8No, remainder 7
Divisible by 9No, remainder 3
Divisible by 10No, remainder 3
Divisible by 11No, remainder 1
Divisible by 12No, remainder 3
Divisible by 100No, remainder 43
Collatz (3n + 1) trajectory
Steps to reach 150the total stopping time
Highest value reached4,780,45610× the starting value
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps472,143 → 1,416,430 → 708,215 → 2,124,646 → 1,062,323 → 3,186,970 → 1,593,485 → 4,780,456 → 2,390,228 → 1,195,114 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage47,214,300%
472,143% as a decimal4,721.43
472,143% of 100472,143
472,143% of 1,0004,721,430
As a fraction of 100472,143/100
Read another way
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Derived from 472,143
Also reads as
#472143 (colour)
- #472143
- Magenta
- Dark
- Nearest: Dark slateblue
#472143 is a magenta with RGB values 71, 33, 67 and HSL 306°, 37%, 20%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.
Colour values
#472143#472143
HEX#472143
RGBrgb(71, 33, 67)
RGB (0–1)0.2784, 0.1294, 0.2627
RGB percentages27.8%, 12.9%, 26.3%
HSLhsl(306.3, 36.5%, 20.4%)
HSV / HSBhsv(306.3, 53.5%, 27.8%)
CMYK0%, 53.5%, 5.6%, 72.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,661,571
CSS custom property--colour: #472143;
Brightness & contrast
Relative luminance0.02833WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.41:1
Contrast with white13.41:1WCAG normal text: AAA
Contrast with black1.57:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#B8DEBC
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.41:1WCAG large text: AAA
Contrast with black, large text1.57:1WCAG large text: Fail
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#214725
Analogous#382147, #472130
Triadic#434721, #214347
Split complementary#304721, #214738
Tetradic#473821, #214725, #213047
Tints, shades & saturation
Channel breakdown
R71
G33
B67
Red71 (27.8%)
Green33 (12.9%)
Blue67 (26.3%)
Hue306.32°
Saturation (HSL)36.54%
Lightness20.39%
Dominant channelRed
Hex per channelR 47 · G 21 · B 43
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Harmonies
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