Recognised as Number
800,133
- Positive
- Odd
- Composite
- 6 digits
800,133 is an odd 6-digit integer and a composite number. It has 4 divisors and a digital root of 6.
Number properties
ParityOddnot divisible by 2
SignPositive
PrimalityComposite
Absolute value800,133
Digit count6
Digit sum15
Digit product0zero, because one of the digits is zero
Multiplicative persistence1times the digit product can be taken before one digit is left
Digital root6repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation3 × 266,711
Distinct prime factors23, 266,711
Number of divisors4
Sum of divisors σ(n)1,066,848
Aliquot sum266,715sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)533,420integers below n that share no factor with it
Carmichael function λ(n)266,710the smallest exponent with aˣ ≡ 1 for every unit; smaller than φ(n) = 533,420
Möbius function μ(n)+12 distinct prime factors, an even number of them
SquarefreeYesno repeated prime factor
All divisors1, 3, 266,711, 800,1334 in total
Arithmetic
Representations
Decimal800,133
Binary1100001101011000010120 bits
Octal3032605
HexadecimalC3585
Base 36H5DX
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordseight hundred thousand, one hundred and thirty-three
Ordinaleight hundred thousand, one hundred and thirty-third
Scientific notation8.00133 × 10^5
Engineering notation800.133 × 10^3
In other bases
Ternary1111122120120base 3; the most digit-efficient integer base after e: 13 digits
Quinary201101013base 5; one hand: 9 digits
Septenary6541515base 7: 7 digits
Nonary1448516base 9; each digit is two ternary digits: 7 digits
Duodecimal327059base 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 6 digits
Vigesimal5006dbase 20; hands and feet, and the Mayan and Yoruba systems: 5 digits
Sexagesimal3:42:15:33base 60; Babylonian, and still how an hour and a circle are divided: 4 digits
Balanced ternary1TTTTT00TT1TT0digits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary111000100101010000101base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
00000000000011000011010110000101
Bit length20 bitsto write the magnitude
Set bits9the population count, or Hamming weight
Zero bits11within that length
Bit parityodd9 set bits, so odd; not the same as the number itself being odd
Highest set bitbit 19worth 524,288
Lowest set bitbit 00 trailing zeros
Power of twoNo
Bytes30c 35 85
Gray code10100010111101000111n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
32-bit00000000000011000011010110000101
64-bit0000000000000000000000000000000000000000000011000011010110000101
One's complement11111111111100111100101001111010at 32 bits, every bit flipped
Bits reversed10100001101011000011000000000000at 32 bits
Rotated left by 100000000000110000110101100001010at 32 bits, wrapping
Shifted left by 1110000110101100001010= 1,600,266, no wrap
Shifted right by 11100001101011000010= 400,066, discarding the low bit
These bits as a double3.95318227 × 10^-318≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Nearest landmarks
Powers & multiples
800,133 to the power 2640,212,817,689
800,133 to the power 3512,255,402,455,952,637
800,133 to the power 4409,872,451,933,288,751,300,721
800,133 to the power 5327,952,474,582,738,128,444,499,795,893
First ten multiples800,133, 1,600,266, 2,400,399, 3,200,532, 4,000,665, 4,800,798, 5,600,931, 6,401,064, 7,201,197, 8,001,330
Powers of twoBetween 2^19 (524,288) and 2^20 (1,048,576)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3Yes
Divisible by 4No, remainder 1
Divisible by 5No, remainder 3
Divisible by 6No, remainder 3
Divisible by 7No, remainder 5
Divisible by 8No, remainder 5
Divisible by 9No, remainder 6
Divisible by 10No, remainder 3
Divisible by 11No, remainder 4
Divisible by 12No, remainder 9
Divisible by 100No, remainder 33
Collatz (3n + 1) trajectory
Steps to reach 192the total stopping time
Highest value reached2,400,4003× the starting value
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps800,133 → 2,400,400 → 1,200,200 → 600,100 → 300,050 → 150,025 → 450,076 → 225,038 → 112,519 → 337,558 → …
Last steps… → 32 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage80,013,300%
800,133% as a decimal8,001.33
800,133% of 100800,133
800,133% of 1,0008,001,330
As a fraction of 100800,133/100
Read another way
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Derived from 800,133
Also reads as
#800133 (colour)
- #800133
- Red
- Dark
- Nearest: Brown
#800133 is a red with RGB values 128, 1, 51 and HSL 336°, 98%, 25%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Brown.
Colour values
#800133#800133
HEX#800133
RGBrgb(128, 1, 51)
RGB (0–1)0.502, 0.0039, 0.2
RGB percentages50.2%, 0.4%, 20%
HSLhsl(336.4, 98.4%, 25.3%)
HSV / HSBhsv(336.4, 99.2%, 50.2%)
CMYK0%, 99.2%, 60.2%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,388,915
CSS custom property--colour: #800133;
Brightness & contrast
Relative luminance0.0485WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.66:1
Contrast with white10.66:1WCAG normal text: AAA
Contrast with black1.97:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#7FFECC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.66:1WCAG large text: AAA
Contrast with black, large text1.97:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#01804E
Analogous#800172, #800F01
Triadic#338001, #013380
Split complementary#01800F, #017280
Tetradic#728001, #01804E, #0F0180
Tints, shades & saturation
Channel breakdown
R128
G1
B51
Red128 (50.2%)
Green1 (0.4%)
Blue51 (20%)
Hue336.38°
Saturation (HSL)98.45%
Lightness25.29%
Dominant channelRed
Hex per channelR 80 · G 01 · B 33
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