Recognised as Number
994
- Positive
- Even
- Composite
- 3 digits
994 is an even 3-digit integer and a composite number. It has 8 divisors and a digital root of 4.
Number properties
ParityEvendivisible by 2
SignPositive
PrimalityComposite
Absolute value994
Digit count3
Digit sum22
Digit product324
Multiplicative persistence3times the digit product can be taken before one digit is left
Digital root4repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation2 × 7 × 71
Distinct prime factors32, 7, 71
Number of divisors8
Sum of divisors σ(n)1,728
Aliquot sum734sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)420integers below n that share no factor with it
Carmichael function λ(n)210the smallest exponent with aˣ ≡ 1 for every unit; smaller than φ(n) = 420
Möbius function μ(n)−13 distinct prime factors, an odd number of them
SquarefreeYesno repeated prime factor
All divisors1, 2, 7, 14, 71, 142, 497, 9948 in total
Arithmetic
Representations
Decimal994
Binary111110001010 bits
Octal1742
Hexadecimal3E2
Base 36RM
Roman numeralCMXCIV
In wordsnine hundred and ninety-four
Ordinalnine hundred and ninety-fourth
Scientific notation9.94 × 10^2
Engineering notation994
In other bases
Ternary1100211base 3; the most digit-efficient integer base after e: 7 digits
Quinary12434base 5; one hand: 5 digits
Septenary2620base 7: 4 digits
Nonary1324base 9; each digit is two ternary digits: 4 digits
Duodecimal6aabase 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 3 digits
Vigesimal29ebase 20; hands and feet, and the Mayan and Yoruba systems: 3 digits
Sexagesimal16:34base 60; Babylonian, and still how an hour and a circle are divided: 2 digits
Balanced ternary1101T11digits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary10000100110base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
0000001111100010
Bit length10 bitsto write the magnitude
Set bits6the population count, or Hamming weight
Zero bits4within that length
Bit parityeven6 set bits, so even; not the same as the number itself being even
Highest set bitbit 9worth 512
Lowest set bitbit 11 trailing zero
Power of twoNo
Bytes203 e2
Gray code1000010011n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
16-bit0000001111100010
32-bit00000000000000000000001111100010
64-bit0000000000000000000000000000000000000000000000000000001111100010
One's complement1111110000011101at 16 bits, every bit flipped
Bits reversed0100011111000000at 16 bits
Rotated left by 10000011111000100at 16 bits, wrapping
Shifted left by 111111000100= 1,988, no wrap
Shifted right by 1111110001= 497, discarding the low bit
These bits as a double4.91101252 × 10^-321≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Nearest landmarks
Powers & multiples
994 to the power 2988,036
994 to the power 3982,107,784
994 to the power 4976,215,137,296
994 to the power 5970,357,846,472,224
First ten multiples994, 1,988, 2,982, 3,976, 4,970, 5,964, 6,958, 7,952, 8,946, 9,940
Powers of twoBetween 2^9 (512) and 2^10 (1,024)
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 7Yes
Divisible by 8No, remainder 2
Divisible by 9No, remainder 4
Divisible by 10No, remainder 4
Divisible by 11No, remainder 4
Divisible by 12No, remainder 10
Divisible by 100No, remainder 94
Collatz (3n + 1) trajectory
Steps to reach 123the total stopping time
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps994 → 497 → 1,492 → 746 → 373 → 1,120 → 560 → 280 → 140 → 70 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage99,400%
994% as a decimal9.94
994% of 100994
994% of 1,0009,940
As a fraction of 100994/100
Read another way
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Derived from 994
Other readings
Also reads as
#999944 (colour)
- #999944
- Yellow
- Dark
- Nearest: Dark khaki
#999944 is a yellow with RGB values 153, 153, 68 and HSL 60°, 38%, 43%. It is a dark colour, so black text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Dark khaki.
Colour values
#999944#999944
HEX#999944
HEX (short)#994
RGBrgb(153, 153, 68)
RGB (0–1)0.6, 0.6, 0.2667
RGB percentages60%, 60%, 26.7%
HSLhsl(60, 38.5%, 43.3%)
HSV / HSBhsv(60, 55.6%, 60%)
CMYK0%, 0%, 55.6%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,066,244
CSS custom property--colour: #999944;
Brightness & contrast
Relative luminance0.29972WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.99:1
Contrast with white3:1WCAG normal text: Fail
Contrast with black6.99:1WCAG normal text: AA
Greyscale equivalent#939393
Inverted#6666BB
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3:1WCAG large text: AA
Contrast with black, large text6.99:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#444499
Analogous#996F44, #6F9944
Triadic#449999, #994499
Split complementary#446F99, #6F4499
Tetradic#44996F, #444499, #99446F
Tints, shades & saturation
Channel breakdown
R153
G153
B68
Red153 (60%)
Green153 (60%)
Blue68 (26.7%)
Hue60°
Saturation (HSL)38.46%
Lightness43.33%
Dominant channelRed and Green
Hex per channelR 99 · G 99 · B 44
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