Number
375
- Positive
- Odd
- Composite
- 3 digits
375 is an odd 3-digit integer and a composite number. It has 8 divisors and a digital root of 6.
Number properties
ParityOddnot divisible by 2
SignPositive
PrimalityComposite
Absolute value375
Digit count3
Digit sum15
Digital root6repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberYesdivisible by its own digit sum
Factors & divisors
Prime factorisation3 × 5^3
Distinct prime factors23, 5
Number of divisors8
Sum of divisors σ(n)624
Aliquot sum249sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)200integers below n that share no factor with it
SquarefreeNohas a repeated prime factor
All divisors1, 3, 5, 15, 25, 75, 125, 3758 in total
Arithmetic
Representations
Decimal375
Binary1011101119 bits
Octal567
Hexadecimal177
Base 36AF
Roman numeralCCCLXXV
In wordsthree hundred and seventy-five
Ordinalthree hundred and seventy-fifth
Scientific notation3.75 × 10^2
Engineering notation375
Nearest landmarks
Powers & multiples
375 to the power 2140,625
375 to the power 352,734,375
375 to the power 419,775,390,625
375 to the power 57,415,771,484,375
First ten multiples375, 750, 1,125, 1,500, 1,875, 2,250, 2,625, 3,000, 3,375, 3,750
Powers of twoBetween 2^8 (256) and 2^9 (512)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3Yes
Divisible by 4No, remainder 3
Divisible by 5Yes
Divisible by 6No, remainder 3
Divisible by 7No, remainder 4
Divisible by 8No, remainder 7
Divisible by 9No, remainder 6
Divisible by 10No, remainder 5
Divisible by 11No, remainder 1
Divisible by 12No, remainder 3
Divisible by 100No, remainder 75
Collatz (3n + 1) trajectory
Steps to reach 145the total stopping time
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps375 → 1,126 → 563 → 1,690 → 845 → 2,536 → 1,268 → 634 → 317 → 952 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage37,500%
375% as a decimal3.75
375% of 100375
375% of 1,0003,750
As a fraction of 100375/100
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Derived from 375
Other readings
Also reads as
#337755 (colour)
- #337755
- Cyan
- Dark
- Nearest: Sea green
#337755 is a cyan with RGB values 51, 119, 85 and HSL 150°, 40%, 33%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Sea green.
Colour values
#337755#337755
HEX#337755
HEX (short)#375
RGBrgb(51, 119, 85)
RGB (0–1)0.2, 0.4667, 0.3333
RGB percentages20%, 46.7%, 33.3%
HSLhsl(150, 40%, 33.3%)
HSV / HSBhsv(150, 57.1%, 46.7%)
CMYK57.1%, 0%, 28.6%, 53.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,372,885
CSS custom property--colour: #337755;
Brightness & contrast
Relative luminance0.14553WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.37:1
Contrast with white5.37:1WCAG normal text: AA
Contrast with black3.91:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#CC88AA
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.37:1WCAG large text: AAA
Contrast with black, large text3.91:1WCAG large text: AA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#773355
Analogous#337733, #337777
Triadic#553377, #775533
Split complementary#773377, #773333
Tetradic#333377, #773355, #777733
Tints, shades & saturation
Channel breakdown
R51
G119
B85
Red51 (20%)
Green119 (46.7%)
Blue85 (33.3%)
Hue150°
Saturation (HSL)40%
Lightness33.33%
Dominant channelGreen
Hex per channelR 33 · G 77 · B 55
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