Number
776
- Positive
- Even
- Composite
- 3 digits
776 is an even 3-digit integer and a composite number. It has 8 divisors and a digital root of 2.
Number properties
ParityEvendivisible by 2
SignPositive
PrimalityComposite
Absolute value776
Digit count3
Digit sum20
Digital root2repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation2^3 × 97
Distinct prime factors22, 97
Number of divisors8
Sum of divisors σ(n)1,470
Aliquot sum694sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)384integers below n that share no factor with it
SquarefreeNohas a repeated prime factor
All divisors1, 2, 4, 8, 97, 194, 388, 7768 in total
Arithmetic
Representations
Decimal776
Binary110000100010 bits
Octal1410
Hexadecimal308
Base 36LK
Roman numeralDCCLXXVI
In wordsseven hundred and seventy-six
Ordinalseven hundred and seventy-sixth
Scientific notation7.76 × 10^2
Engineering notation776
Nearest landmarks
Powers & multiples
776 to the power 2602,176
776 to the power 3467,288,576
776 to the power 4362,615,934,976
776 to the power 5281,389,965,541,376
First ten multiples776, 1,552, 2,328, 3,104, 3,880, 4,656, 5,432, 6,208, 6,984, 7,760
Powers of twoBetween 2^9 (512) and 2^10 (1,024)
Divisibility tests
Divisible by 2Yes
Divisible by 3No, remainder 2
Divisible by 4Yes
Divisible by 5No, remainder 1
Divisible by 6No, remainder 2
Divisible by 7No, remainder 6
Divisible by 8Yes
Divisible by 9No, remainder 2
Divisible by 10No, remainder 6
Divisible by 11No, remainder 6
Divisible by 12No, remainder 8
Divisible by 100No, remainder 76
Collatz (3n + 1) trajectory
Steps to reach 1121the total stopping time
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps776 → 388 → 194 → 97 → 292 → 146 → 73 → 220 → 110 → 55 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage77,600%
776% as a decimal7.76
776% of 100776
776% of 1,0007,760
As a fraction of 100776/100
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Derived from 776
Other readings
Also reads as
#777766 (colour)
- #777766
- Grey
- Dark
- Nearest: Gray
#777766 is a grey with RGB values 119, 119, 102 and HSL 60°, 8%, 43%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Gray.
Colour values
#777766#777766
HEX#777766
HEX (short)#776
RGBrgb(119, 119, 102)
RGB (0–1)0.4667, 0.4667, 0.4
RGB percentages46.7%, 46.7%, 40%
HSLhsl(60, 7.7%, 43.3%)
HSV / HSBhsv(60, 14.3%, 46.7%)
CMYK0%, 0%, 14.3%, 53.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,829,350
CSS custom property--colour: #777766;
Brightness & contrast
Relative luminance0.18075WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.61:1
Contrast with white4.55:1WCAG normal text: AA
Contrast with black4.61:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#888899
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.55:1WCAG large text: AAA
Contrast with black, large text4.61:1WCAG large text: AAA
Named colours
Hue familygrey
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#666677
Analogous#776F66, #6F7766
Triadic#667777, #776677
Split complementary#666F77, #6F6677
Tetradic#66776F, #666677, #77666F
Tints, shades & saturation
Channel breakdown
R119
G119
B102
Red119 (46.7%)
Green119 (46.7%)
Blue102 (40%)
Hue60°
Saturation (HSL)7.69%
Lightness43.33%
Dominant channelRed and Green
Hex per channelR 77 · G 77 · B 66
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Harmonies
Similar named colours
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