Recognised as Number
867,001
- Positive
- Odd
- Prime
- 6 digits
867,001 is an odd 6-digit integer and a prime number. It has 2 divisors and a digital root of 4.
Number properties
ParityOddnot divisible by 2
SignPositive
PrimalityPrime
Absolute value867,001
Digit count6
Digit sum22
Digit product0zero, because one of the digits is zero
Multiplicative persistence1times the digit product can be taken before one digit is left
Digital root4repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation867,001
Distinct prime factors1867,001
Number of divisors2
Sum of divisors σ(n)867,002
Aliquot sum1sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)867,000integers below n that share no factor with it
Carmichael function λ(n)867,000the smallest exponent with aˣ ≡ 1 for every unit coprime to n
Möbius function μ(n)−11 distinct prime factor, an odd number of them
SquarefreeYesno repeated prime factor
All divisors1, 867,0012 in total
Arithmetic
Representations
Decimal867,001
Binary1101001110101011100120 bits
Octal3235271
HexadecimalD3AB9
Base 36IKZD
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordseight hundred and sixty-seven thousand and one
Ordinaleight hundred and sixty-seven thousand and first
Scientific notation8.67001 × 10^5
Engineering notation867.001 × 10^3
In other bases
Ternary1122001022011base 3; the most digit-efficient integer base after e: 13 digits
Quinary210221001base 5; one hand: 9 digits
Septenary10240462base 7: 8 digits
Nonary1561264base 9; each digit is two ternary digits: 7 digits
Duodecimal3598a1base 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 6 digits
Vigesimal587a1base 20; hands and feet, and the Mayan and Yoruba systems: 5 digits
Sexagesimal4:0:50:1base 60; Babylonian, and still how an hour and a circle are divided: 4 digits
Balanced ternary1TT0T00110T011digits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary111010100111111001001base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
00000000000011010011101010111001
Bit length20 bitsto write the magnitude
Set bits12the population count, or Hamming weight
Zero bits8within that length
Bit parityeven12 set bits, so even; not the same as the number itself being odd
Highest set bitbit 19worth 524,288
Lowest set bitbit 00 trailing zeros
Power of twoNo
Bytes30d 3a b9
Gray code10111010011111100101n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
32-bit00000000000011010011101010111001
64-bit0000000000000000000000000000000000000000000011010011101010111001
One's complement11111111111100101100010101000110at 32 bits, every bit flipped
Bits reversed10011101010111001011000000000000at 32 bits
Rotated left by 100000000000110100111010101110010at 32 bits, wrapping
Shifted left by 1110100111010101110010= 1,734,002, no wrap
Shifted right by 11101001110101011100= 433,500, discarding the low bit
These bits as a double4.28355409 × 10^-318≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Nearest landmarks
Powers & multiples
867,001 to the power 2751,690,734,001
867,001 to the power 3651,716,618,069,601,001
867,001 to the power 4565,038,959,582,962,137,468,001
867,001 to the power 5489,889,342,997,387,756,146,894,335,001
First ten multiples867,001, 1,734,002, 2,601,003, 3,468,004, 4,335,005, 5,202,006, 6,069,007, 6,936,008, 7,803,009, 8,670,010
Powers of twoBetween 2^19 (524,288) and 2^20 (1,048,576)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3No, remainder 1
Divisible by 4No, remainder 1
Divisible by 5No, remainder 1
Divisible by 6No, remainder 1
Divisible by 7No, remainder 2
Divisible by 8No, remainder 1
Divisible by 9No, remainder 4
Divisible by 10No, remainder 1
Divisible by 11No, remainder 3
Divisible by 12No, remainder 1
Divisible by 100No, remainder 1
Collatz (3n + 1) trajectory
Steps to reach 1188the total stopping time
Highest value reached2,926,1323× the starting value
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps867,001 → 2,601,004 → 1,300,502 → 650,251 → 1,950,754 → 975,377 → 2,926,132 → 1,463,066 → 731,533 → 2,194,600 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage86,700,100%
867,001% as a decimal8,670.01
867,001% of 100867,001
867,001% of 1,0008,670,010
As a fraction of 100867,001/100
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Derived from 867,001
Also reads as
#867001 (colour)
- #867001
- Yellow
- Dark
- Nearest: Olive
#867001 is a yellow with RGB values 134, 112, 1 and HSL 50°, 99%, 26%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Olive.
Colour values
#867001#867001
HEX#867001
RGBrgb(134, 112, 1)
RGB (0–1)0.5255, 0.4392, 0.0039
RGB percentages52.5%, 43.9%, 0.4%
HSLhsl(50.1, 98.5%, 26.5%)
HSV / HSBhsv(50.1, 99.3%, 52.5%)
CMYK0%, 16.4%, 99.3%, 47.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,810,497
CSS custom property--colour: #867001;
Brightness & contrast
Relative luminance0.16659WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.85:1
Contrast with white4.85:1WCAG normal text: AA
Contrast with black4.33:1WCAG normal text: Fail
Greyscale equivalent#6D6D6D
Inverted#798FFE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.85:1WCAG large text: AAA
Contrast with black, large text4.33:1WCAG large text: AA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#011786
Analogous#862D01, #5A8601
Triadic#018670, #700186
Split complementary#015986, #2E0186
Tetradic#01862D, #011786, #860159
Tints, shades & saturation
Channel breakdown
R134
G112
B1
Red134 (52.5%)
Green112 (43.9%)
Blue1 (0.4%)
Hue50.08°
Saturation (HSL)98.52%
Lightness26.47%
Dominant channelRed
Hex per channelR 86 · G 70 · B 01
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