Number
346
- Positive
- Even
- Composite
- 3 digits
346 is an even 3-digit integer and a composite number. It has 4 divisors and a digital root of 4.
Number properties
ParityEvendivisible by 2
SignPositive
PrimalityComposite
Absolute value346
Digit count3
Digit sum13
Digital root4repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation2 × 173
Distinct prime factors22, 173
Number of divisors4
Sum of divisors σ(n)522
Aliquot sum176sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)172integers below n that share no factor with it
SquarefreeYesno repeated prime factor
All divisors1, 2, 173, 3464 in total
Arithmetic
Representations
Decimal346
Binary1010110109 bits
Octal532
Hexadecimal15A
Base 369M
Roman numeralCCCXLVI
In wordsthree hundred and forty-six
Ordinalthree hundred and forty-sixth
Scientific notation3.46 × 10^2
Engineering notation346
Nearest landmarks
Powers & multiples
346 to the power 2119,716
346 to the power 341,421,736
346 to the power 414,331,920,656
346 to the power 54,958,844,546,976
First ten multiples346, 692, 1,038, 1,384, 1,730, 2,076, 2,422, 2,768, 3,114, 3,460
Powers of twoBetween 2^8 (256) and 2^9 (512)
Divisibility tests
Divisible by 2Yes
Divisible by 3No, remainder 1
Divisible by 4No, remainder 2
Divisible by 5No, remainder 1
Divisible by 6No, remainder 4
Divisible by 7No, remainder 3
Divisible by 8No, remainder 2
Divisible by 9No, remainder 4
Divisible by 10No, remainder 6
Divisible by 11No, remainder 5
Divisible by 12No, remainder 10
Divisible by 100No, remainder 46
Collatz (3n + 1) trajectory
Steps to reach 132the total stopping time
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps346 → 173 → 520 → 260 → 130 → 65 → 196 → 98 → 49 → 148 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage34,600%
346% as a decimal3.46
346% of 100346
346% of 1,0003,460
As a fraction of 100346/100
Read another way
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Derived from 346
Other readings
Also reads as
#334466 (colour)
- #334466
- Blue
- Dark
- Nearest: Dark slate grey
#334466 is a blue with RGB values 51, 68, 102 and HSL 220°, 33%, 30%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#334466#334466
HEX#334466
HEX (short)#346
RGBrgb(51, 68, 102)
RGB (0–1)0.2, 0.2667, 0.4
RGB percentages20%, 26.7%, 40%
HSLhsl(220, 33.3%, 30%)
HSV / HSBhsv(220, 50%, 40%)
CMYK50%, 33.3%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,359,846
CSS custom property--colour: #334466;
Brightness & contrast
Relative luminance0.05797WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.72:1
Contrast with white9.72:1WCAG normal text: AAA
Contrast with black2.16:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#CCBB99
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.72:1WCAG large text: AAA
Contrast with black, large text2.16:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#665533
Analogous#335E66, #3C3366
Triadic#663344, #446633
Split complementary#663C33, #5E6633
Tetradic#66335E, #665533, #33663C
Tints, shades & saturation
Channel breakdown
R51
G68
B102
Red51 (20%)
Green68 (26.7%)
Blue102 (40%)
Hue220°
Saturation (HSL)33.33%
Lightness30%
Dominant channelBlue
Hex per channelR 33 · G 44 · B 66
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Harmonies
Similar named colours
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