Number
121,133
- Positive
- Odd
- Composite
- 6 digits
121,133 is an odd 6-digit integer and a composite number. It has 4 divisors and a digital root of 2.
Number properties
ParityOddnot divisible by 2
SignPositive
PrimalityComposite
Absolute value121,133
Digit count6
Digit sum11
Digital root2repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation29 × 4,177
Distinct prime factors229, 4,177
Number of divisors4
Sum of divisors σ(n)125,340
Aliquot sum4,207sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)116,928integers below n that share no factor with it
SquarefreeYesno repeated prime factor
All divisors1, 29, 4,177, 121,1334 in total
Arithmetic
Representations
Decimal121,133
Binary1110110010010110117 bits
Octal354455
Hexadecimal1D92D
Base 362LGT
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordsone hundred and twenty-one thousand, one hundred and thirty-three
Ordinalone hundred and twenty-one thousand, one hundred and thirty-third
Scientific notation1.21133 × 10^5
Engineering notation121.133 × 10^3
Nearest landmarks
Powers & multiples
121,133 to the power 214,673,203,689
121,133 to the power 31,777,409,182,459,637
121,133 to the power 4215,302,906,498,883,208,721
121,133 to the power 526,080,286,972,929,219,722,000,893
First ten multiples121,133, 242,266, 363,399, 484,532, 605,665, 726,798, 847,931, 969,064, 1,090,197, 1,211,330
Powers of twoBetween 2^16 (65,536) and 2^17 (131,072)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3No, remainder 2
Divisible by 4No, remainder 1
Divisible by 5No, remainder 3
Divisible by 6No, remainder 5
Divisible by 7No, remainder 5
Divisible by 8No, remainder 5
Divisible by 9No, remainder 2
Divisible by 10No, remainder 3
Divisible by 11No, remainder 1
Divisible by 12No, remainder 5
Divisible by 100No, remainder 33
Collatz (3n + 1) trajectory
Steps to reach 1136the total stopping time
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps121,133 → 363,400 → 181,700 → 90,850 → 45,425 → 136,276 → 68,138 → 34,069 → 102,208 → 51,104 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage12,113,300%
121,133% as a decimal1,211.33
121,133% of 100121,133
121,133% of 1,0001,211,330
As a fraction of 100121,133/100
Read another way
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Derived from 121,133
Also reads as
#121133 (colour)
- #121133
- Blue
- Dark
- Nearest: Black
#121133 is a blue with RGB values 18, 17, 51 and HSL 242°, 50%, 13%. It is a dark colour, so white text on it reaches 18.2:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#121133#121133
HEX#121133
RGBrgb(18, 17, 51)
RGB (0–1)0.0706, 0.0667, 0.2
RGB percentages7.1%, 6.7%, 20%
HSLhsl(241.8, 50%, 13.3%)
HSV / HSBhsv(241.8, 66.7%, 20%)
CMYK64.7%, 66.7%, 0%, 80%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,184,051
CSS custom property--colour: #121133;
Brightness & contrast
Relative luminance0.00769WCAG 2.x, 0 is black and 1 is white
Perceived brightness23.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.2:1
Contrast with white18.2:1WCAG normal text: AAA
Contrast with black1.15:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#EDEECC
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.2:1WCAG large text: AAA
Contrast with black, large text1.15:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#323311
Analogous#112133, #231133
Triadic#331211, #113312
Split complementary#332311, #213311
Tetradic#331121, #323311, #113323
Tints, shades & saturation
Channel breakdown
R18
G17
B51
Red18 (7.1%)
Green17 (6.7%)
Blue51 (20%)
Hue241.76°
Saturation (HSL)50%
Lightness13.33%
Dominant channelBlue
Hex per channelR 12 · G 11 · B 33
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Harmonies
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