Number
34
- Positive
- Even
- Composite
- 2 digits
34 is an even 2-digit integer and a composite number. It has 4 divisors and a digital root of 7.
The canonical address for this page is /34.
Number properties
ParityEvendivisible by 2
SignPositive
PrimalityComposite
Absolute value34
Digit count2
Digit sum7
Digital root7repeated digit sum
PalindromicNoreads differently backwards
Fibonacci numberYes, F(9)
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation2 × 17
Distinct prime factors22, 17
Number of divisors4
Sum of divisors σ(n)54
Aliquot sum20sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)16integers below n that share no factor with it
SquarefreeYesno repeated prime factor
All divisors1, 2, 17, 344 in total
Arithmetic
Representations
Decimal34
Binary1000106 bits
Octal42
Hexadecimal22
Base 36Y
Roman numeralXXXIV
In wordsthirty-four
Ordinalthirty-fourth
Scientific notation3.4 × 10^1
Engineering notation34
Nearest landmarks
Powers & multiples
34 to the power 21,156
34 to the power 339,304
34 to the power 41,336,336
34 to the power 545,435,424
First ten multiples34, 68, 102, 136, 170, 204, 238, 272, 306, 340
Powers of twoBetween 2^5 (32) and 2^6 (64)
Divisibility tests
Divisible by 2Yes
Divisible by 3No, remainder 1
Divisible by 4No, remainder 2
Divisible by 5No, remainder 4
Divisible by 6No, remainder 4
Divisible by 7No, remainder 6
Divisible by 8No, remainder 2
Divisible by 9No, remainder 7
Divisible by 10No, remainder 4
Divisible by 11No, remainder 1
Divisible by 12No, remainder 10
Divisible by 100No, remainder 34
Collatz (3n + 1) trajectory
Steps to reach 113the total stopping time
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps34 → 17 → 52 → 26 → 13 → 40 → 20 → 10 → 5 → 16 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage3,400%
34% as a decimal0.34
34% of 10034
34% of 1,000340
As a fraction of 10034/100
Read another way
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Derived from 34
Other readings
Also reads as
#000034 (colour)
- #000034
- Blue
- Dark
- Nearest: Midnight blue
#000034 is a blue with RGB values 0, 0, 52 and HSL 240°, 100%, 10%. It is a dark colour, so white text on it reaches 20:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.
Colour values
#000034#000034
HEX#000034
RGBrgb(0, 0, 52)
RGB (0–1)0, 0, 0.2039
RGB percentages0%, 0%, 20.4%
HSLhsl(240, 100%, 10.2%)
HSV / HSBhsv(240, 100%, 20.4%)
CMYK100%, 100%, 0%, 79.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer52
CSS custom property--colour: #000034;
Brightness & contrast
Relative luminance0.00248WCAG 2.x, 0 is black and 1 is white
Perceived brightness17.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.01:1
Contrast with white20.01:1WCAG normal text: AAA
Contrast with black1.05:1WCAG normal text: Fail
Greyscale equivalent#040404
Inverted#FFFFCB
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.01:1WCAG large text: AAA
Contrast with black, large text1.05:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#343400
Analogous#001A34, #1A0034
Triadic#340000, #003400
Split complementary#341A00, #1A3400
Tetradic#34001A, #343400, #00341A
Tints, shades & saturation
Channel breakdown
R0
G0
B52
Red0 (0%)
Green0 (0%)
Blue52 (20.4%)
Hue240°
Saturation (HSL)100%
Lightness10.2%
Dominant channelBlue
Hex per channelR 00 · G 00 · B 34
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Harmonies
Similar named colours
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