Number
350
- Positive
- Even
- Composite
- 3 digits
350 is an even 3-digit integer and a composite number. It has 12 divisors and a digital root of 8.
Number properties
ParityEvendivisible by 2
SignPositive
PrimalityComposite
Absolute value350
Digit count3
Digit sum8
Digital root8repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation2 × 5^2 × 7
Distinct prime factors32, 5, 7
Number of divisors12
Sum of divisors σ(n)744
Aliquot sum394sum of the proper divisors
ClassificationAbundantthe aliquot sum exceeds the number
Euler's totient φ(n)120integers below n that share no factor with it
SquarefreeNohas a repeated prime factor
All divisors1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 35012 in total
Arithmetic
Representations
Decimal350
Binary1010111109 bits
Octal536
Hexadecimal15E
Base 369Q
Roman numeralCCCL
In wordsthree hundred and fifty
Ordinalthree hundred and fiftieth
Scientific notation3.5 × 10^2
Engineering notation350
Nearest landmarks
Powers & multiples
350 to the power 2122,500
350 to the power 342,875,000
350 to the power 415,006,250,000
350 to the power 55,252,187,500,000
First ten multiples350, 700, 1,050, 1,400, 1,750, 2,100, 2,450, 2,800, 3,150, 3,500
Powers of twoBetween 2^8 (256) and 2^9 (512)
Divisibility tests
Divisible by 2Yes
Divisible by 3No, remainder 2
Divisible by 4No, remainder 2
Divisible by 5Yes
Divisible by 6No, remainder 2
Divisible by 7Yes
Divisible by 8No, remainder 6
Divisible by 9No, remainder 8
Divisible by 10Yes
Divisible by 11No, remainder 9
Divisible by 12No, remainder 2
Divisible by 100No, remainder 50
Collatz (3n + 1) trajectory
Steps to reach 181the total stopping time
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps350 → 175 → 526 → 263 → 790 → 395 → 1,186 → 593 → 1,780 → 890 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage35,000%
350% as a decimal3.5
350% of 100350
350% of 1,0003,500
As a fraction of 100350/100
Read another way
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Derived from 350
Other readings
Also reads as
#335500 (colour)
- #335500
- Green
- Dark
- Nearest: Dark olivegreen
#335500 is a green with RGB values 51, 85, 0 and HSL 84°, 100%, 17%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.
Colour values
#335500#335500
HEX#335500
HEX (short)#350
RGBrgb(51, 85, 0)
RGB (0–1)0.2, 0.3333, 0
RGB percentages20%, 33.3%, 0%
HSLhsl(84, 100%, 16.7%)
HSV / HSBhsv(84, 100%, 33.3%)
CMYK40%, 0%, 100%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,364,096
CSS custom property--colour: #335500;
Brightness & contrast
Relative luminance0.07201WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.61:1
Contrast with white8.61:1WCAG normal text: AAA
Contrast with black2.44:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#CCAAFF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.61:1WCAG large text: AAA
Contrast with black, large text2.44:1WCAG large text: Fail
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#220055
Analogous#554C00, #095500
Triadic#003355, #550033
Split complementary#000955, #4D0055
Tetradic#00554C, #220055, #550008
Tints, shades & saturation
Channel breakdown
R51
G85
B0
Red51 (20%)
Green85 (33.3%)
Blue0 (0%)
Hue84°
Saturation (HSL)100%
Lightness16.67%
Dominant channelGreen
Hex per channelR 33 · G 55 · B 00
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Harmonies
Similar named colours
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