Number
599
- Positive
- Odd
- Prime
- 3 digits
599 is an odd 3-digit integer and a prime number. It has 2 divisors and a digital root of 5.
Number properties
ParityOddnot divisible by 2
SignPositive
PrimalityPrime
Absolute value599
Digit count3
Digit sum23
Digital root5repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation599
Distinct prime factors1599
Number of divisors2
Sum of divisors σ(n)600
Aliquot sum1sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)598integers below n that share no factor with it
SquarefreeYesno repeated prime factor
All divisors1, 5992 in total
Arithmetic
Representations
Decimal599
Binary100101011110 bits
Octal1127
Hexadecimal257
Base 36GN
Roman numeralDXCIX
In wordsfive hundred and ninety-nine
Ordinalfive hundred and ninety-ninth
Scientific notation5.99 × 10^2
Engineering notation599
Nearest landmarks
Powers & multiples
599 to the power 2358,801
599 to the power 3214,921,799
599 to the power 4128,738,157,601
599 to the power 577,114,156,402,999
First ten multiples599, 1,198, 1,797, 2,396, 2,995, 3,594, 4,193, 4,792, 5,391, 5,990
Powers of twoBetween 2^9 (512) and 2^10 (1,024)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3No, remainder 2
Divisible by 4No, remainder 3
Divisible by 5No, remainder 4
Divisible by 6No, remainder 5
Divisible by 7No, remainder 4
Divisible by 8No, remainder 7
Divisible by 9No, remainder 5
Divisible by 10No, remainder 9
Divisible by 11No, remainder 5
Divisible by 12No, remainder 11
Divisible by 100No, remainder 99
Collatz (3n + 1) trajectory
Steps to reach 1118the total stopping time
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps599 → 1,798 → 899 → 2,698 → 1,349 → 4,048 → 2,024 → 1,012 → 506 → 253 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage59,900%
599% as a decimal5.99
599% of 100599
599% of 1,0005,990
As a fraction of 100599/100
Read another way
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Derived from 599
Other readings
Also reads as
#559999 (colour)
- #559999
- Cyan
- Dark
- Nearest: Cadetblue
#559999 is a cyan with RGB values 85, 153, 153 and HSL 180°, 29%, 47%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Cadetblue.
Colour values
#559999#559999
HEX#559999
HEX (short)#599
RGBrgb(85, 153, 153)
RGB (0–1)0.3333, 0.6, 0.6
RGB percentages33.3%, 60%, 60%
HSLhsl(180, 28.6%, 46.7%)
HSV / HSBhsv(180, 44.4%, 60%)
CMYK44.4%, 0%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,609,881
CSS custom property--colour: #559999;
Brightness & contrast
Relative luminance0.27014WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.4:1
Contrast with white3.28:1WCAG normal text: Fail
Contrast with black6.4:1WCAG normal text: AA
Greyscale equivalent#8B8B8B
Inverted#AA6666
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.28:1WCAG large text: AA
Contrast with black, large text6.4:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#995555
Analogous#559977, #557799
Triadic#995599, #999955
Split complementary#995577, #997755
Tetradic#775599, #995555, #779955
Tints, shades & saturation
Channel breakdown
R85
G153
B153
Red85 (33.3%)
Green153 (60%)
Blue153 (60%)
Hue180°
Saturation (HSL)28.57%
Lightness46.67%
Dominant channelGreen and Blue
Hex per channelR 55 · G 99 · B 99
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