Recognised as Number
676,121
- Positive
- Odd
- Composite
- 6 digits
676,121 is an odd 6-digit integer and a composite number. It has 4 divisors and a digital root of 5.
Number properties
ParityOddnot divisible by 2
SignPositive
PrimalityComposite
Absolute value676,121
Digit count6
Digit sum23
Digit product504
Multiplicative persistence2times 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 numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation53 × 12,757
Distinct prime factors253, 12,757
Number of divisors4
Sum of divisors σ(n)688,932
Aliquot sum12,811sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)663,312integers below n that share no factor with it
Carmichael function λ(n)165,828the smallest exponent with aˣ ≡ 1 for every unit; smaller than φ(n) = 663,312
Möbius function μ(n)+12 distinct prime factors, an even number of them
SquarefreeYesno repeated prime factor
All divisors1, 53, 12,757, 676,1214 in total
Arithmetic
Representations
Decimal676,121
Binary1010010100010001100120 bits
Octal2450431
HexadecimalA5119
Base 36EHP5
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordssix hundred and seventy-six thousand, one hundred and twenty-one
Ordinalsix hundred and seventy-six thousand, one hundred and twenty-first
Scientific notation6.76121 × 10^5
Engineering notation676.121 × 10^3
In other bases
Ternary1021100110112base 3; the most digit-efficient integer base after e: 13 digits
Quinary133113441base 5; one hand: 9 digits
Septenary5514125base 7: 7 digits
Nonary1240415base 9; each digit is two ternary digits: 7 digits
Duodecimal287335base 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 6 digits
Vigesimal44a61base 20; hands and feet, and the Mayan and Yoruba systems: 5 digits
Sexagesimal3:7:48:41base 60; Babylonian, and still how an hour and a circle are divided: 4 digits
Balanced ternary11T1100111TTTdigits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary111100101000101101001base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
00000000000010100101000100011001
Bit length20 bitsto write the magnitude
Set bits8the population count, or Hamming weight
Zero bits12within that length
Bit parityeven8 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
Bytes30a 51 19
Gray code11110111100110010101n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
32-bit00000000000010100101000100011001
64-bit0000000000000000000000000000000000000000000010100101000100011001
One's complement11111111111101011010111011100110at 32 bits, every bit flipped
Bits reversed10011000100010100101000000000000at 32 bits
Rotated left by 100000000000101001010001000110010at 32 bits, wrapping
Shifted left by 1101001010001000110010= 1,352,242, no wrap
Shifted right by 11010010100010001100= 338,060, discarding the low bit
These bits as a double3.34048159 × 10^-318≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Nearest landmarks
Powers & multiples
676,121 to the power 2457,139,606,641
676,121 to the power 3309,081,687,981,719,561
676,121 to the power 4208,976,619,959,888,211,302,881
676,121 to the power 5141,293,481,263,899,577,314,315,204,601
First ten multiples676,121, 1,352,242, 2,028,363, 2,704,484, 3,380,605, 4,056,726, 4,732,847, 5,408,968, 6,085,089, 6,761,210
Powers of twoBetween 2^19 (524,288) and 2^20 (1,048,576)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3No, remainder 2
Divisible by 4No, remainder 1
Divisible by 5No, remainder 1
Divisible by 6No, remainder 5
Divisible by 7No, remainder 5
Divisible by 8No, remainder 1
Divisible by 9No, remainder 5
Divisible by 10No, remainder 1
Divisible by 11No, remainder 6
Divisible by 12No, remainder 5
Divisible by 100No, remainder 21
Collatz (3n + 1) trajectory
Steps to reach 1123the total stopping time
Highest value reached5,204,3927× the starting value
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps676,121 → 2,028,364 → 1,014,182 → 507,091 → 1,521,274 → 760,637 → 2,281,912 → 1,140,956 → 570,478 → 285,239 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage67,612,100%
676,121% as a decimal6,761.21
676,121% of 100676,121
676,121% of 1,0006,761,210
As a fraction of 100676,121/100
Read another way
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Derived from 676,121
Also reads as
#676121 (colour)
- #676121
- Yellow
- Dark
- Nearest: Dark olivegreen
#676121 is a yellow with RGB values 103, 97, 33 and HSL 55°, 51%, 27%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Dark olivegreen.
Colour values
#676121#676121
HEX#676121
RGBrgb(103, 97, 33)
RGB (0–1)0.4039, 0.3804, 0.1294
RGB percentages40.4%, 38%, 12.9%
HSLhsl(54.9, 51.5%, 26.7%)
HSV / HSBhsv(54.9, 68%, 40.4%)
CMYK0%, 5.8%, 68%, 59.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,775,073
CSS custom property--colour: #676121;
Brightness & contrast
Relative luminance0.11543WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.35:1
Contrast with white6.35:1WCAG normal text: AA
Contrast with black3.31:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#989EDE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.35:1WCAG large text: AAA
Contrast with black, large text3.31:1WCAG large text: AA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#212767
Analogous#673E21, #4A6721
Triadic#216761, #612167
Split complementary#214A67, #3E2167
Tetradic#21673E, #212767, #67214A
Tints, shades & saturation
Channel breakdown
R103
G97
B33
Red103 (40.4%)
Green97 (38%)
Blue33 (12.9%)
Hue54.86°
Saturation (HSL)51.47%
Lightness26.67%
Dominant channelRed
Hex per channelR 67 · G 61 · B 21
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Harmonies
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