Number
992
- Positive
- Even
- Composite
- 3 digits
992 is an even 3-digit integer and a composite number. It has 12 divisors and a digital root of 2.
Number properties
ParityEvendivisible by 2
SignPositive
PrimalityComposite
Absolute value992
Digit count3
Digit sum20
Digital root2repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation2^5 × 31
Distinct prime factors22, 31
Number of divisors12
Sum of divisors σ(n)2,016
Aliquot sum1,024sum of the proper divisors
ClassificationAbundantthe aliquot sum exceeds the number
Euler's totient φ(n)480integers below n that share no factor with it
SquarefreeNohas a repeated prime factor
All divisors1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 99212 in total
Arithmetic
Representations
Decimal992
Binary111110000010 bits
Octal1740
Hexadecimal3E0
Base 36RK
Roman numeralCMXCII
In wordsnine hundred and ninety-two
Ordinalnine hundred and ninety-second
Scientific notation9.92 × 10^2
Engineering notation992
Nearest landmarks
Powers & multiples
992 to the power 2984,064
992 to the power 3976,191,488
992 to the power 4968,381,956,096
992 to the power 5960,634,900,447,232
First ten multiples992, 1,984, 2,976, 3,968, 4,960, 5,952, 6,944, 7,936, 8,928, 9,920
Powers of twoBetween 2^9 (512) and 2^10 (1,024)
Divisibility tests
Divisible by 2Yes
Divisible by 3No, remainder 2
Divisible by 4Yes
Divisible by 5No, remainder 2
Divisible by 6No, remainder 2
Divisible by 7No, remainder 5
Divisible by 8Yes
Divisible by 9No, remainder 2
Divisible by 10No, remainder 2
Divisible by 11No, remainder 2
Divisible by 12No, remainder 8
Divisible by 100No, remainder 92
Collatz (3n + 1) trajectory
Steps to reach 1111the total stopping time
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps992 → 496 → 248 → 124 → 62 → 31 → 94 → 47 → 142 → 71 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage99,200%
992% as a decimal9.92
992% of 100992
992% of 1,0009,920
As a fraction of 100992/100
Read another way
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Derived from 992
Other readings
Also reads as
#999922 (colour)
- #999922
- Yellow
- Dark
- Nearest: Olive
#999922 is a yellow with RGB values 153, 153, 34 and HSL 60°, 64%, 37%. It is a dark colour, so black text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Olive.
Colour values
#999922#999922
HEX#999922
HEX (short)#992
RGBrgb(153, 153, 34)
RGB (0–1)0.6, 0.6, 0.1333
RGB percentages60%, 60%, 13.3%
HSLhsl(60, 63.6%, 36.7%)
HSV / HSBhsv(60, 77.8%, 60%)
CMYK0%, 0%, 77.8%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,066,210
CSS custom property--colour: #999922;
Brightness & contrast
Relative luminance0.2967WCAG 2.x, 0 is black and 1 is white
Perceived brightness144.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.93:1
Contrast with white3.03:1WCAG normal text: Fail
Contrast with black6.93:1WCAG normal text: AA
Greyscale equivalent#909090
Inverted#6666DD
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.03:1WCAG large text: AA
Contrast with black, large text6.93:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#222299
Analogous#995E22, #5E9922
Triadic#229999, #992299
Split complementary#225E99, #5E2299
Tetradic#22995E, #222299, #99225E
Tints, shades & saturation
Channel breakdown
R153
G153
B34
Red153 (60%)
Green153 (60%)
Blue34 (13.3%)
Hue60°
Saturation (HSL)63.64%
Lightness36.67%
Dominant channelRed and Green
Hex per channelR 99 · G 99 · B 22
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Harmonies
Similar named colours
Nerdulate something else
Nothing in mind? Surprise me · today’s page