Number
133,121
- Positive
- Odd
- Prime
- 6 digits
133,121 is an odd 6-digit integer and a prime number. It has 2 divisors and a digital root of 2.
Number properties
ParityOddnot divisible by 2
SignPositive
PrimalityPrime
Absolute value133,121
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 factorisation133,121
Distinct prime factors1133,121
Number of divisors2
Sum of divisors σ(n)133,122
Aliquot sum1sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)133,120integers below n that share no factor with it
SquarefreeYesno repeated prime factor
All divisors1, 133,1212 in total
Arithmetic
Representations
Decimal133,121
Binary10000010000000000118 bits
Octal404001
Hexadecimal20801
Base 362UPT
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordsone hundred and thirty-three thousand, one hundred and twenty-one
Ordinalone hundred and thirty-three thousand, one hundred and twenty-first
Scientific notation1.33121 × 10^5
Engineering notation133.121 × 10^3
Nearest landmarks
Powers & multiples
133,121 to the power 217,721,200,641
133,121 to the power 32,359,063,950,530,561
133,121 to the power 4314,040,952,158,578,810,881
133,121 to the power 541,805,445,592,302,169,883,289,601
First ten multiples133,121, 266,242, 399,363, 532,484, 665,605, 798,726, 931,847, 1,064,968, 1,198,089, 1,331,210
Powers of twoBetween 2^17 (131,072) and 2^18 (262,144)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3No, remainder 2
Divisible by 4No, remainder 1
Divisible by 5No, remainder 1
Divisible by 6No, remainder 5
Divisible by 7No, remainder 2
Divisible by 8No, remainder 1
Divisible by 9No, remainder 2
Divisible by 10No, remainder 1
Divisible by 11No, remainder 10
Divisible by 12No, remainder 5
Divisible by 100No, remainder 21
Collatz (3n + 1) trajectory
Steps to reach 1100the total stopping time
Highest value reached1,214,5129× the starting value
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps133,121 → 399,364 → 199,682 → 99,841 → 299,524 → 149,762 → 74,881 → 224,644 → 112,322 → 56,161 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage13,312,100%
133,121% as a decimal1,331.21
133,121% of 100133,121
133,121% of 1,0001,331,210
As a fraction of 100133,121/100
Read another way
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Derived from 133,121
Also reads as
#133121 (colour)
- #133121
- Green
- Dark
- Nearest: Dark slate grey
#133121 is a green with RGB values 19, 49, 33 and HSL 148°, 44%, 13%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#133121#133121
HEX#133121
RGBrgb(19, 49, 33)
RGB (0–1)0.0745, 0.1922, 0.1294
RGB percentages7.5%, 19.2%, 12.9%
HSLhsl(148, 44.1%, 13.3%)
HSV / HSBhsv(148, 61.2%, 19.2%)
CMYK61.2%, 0%, 32.7%, 80.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,257,761
CSS custom property--colour: #133121;
Brightness & contrast
Relative luminance0.02445WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.1:1
Contrast with white14.1:1WCAG normal text: AAA
Contrast with black1.49:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#ECCEDE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.1:1WCAG large text: AAA
Contrast with black, large text1.49:1WCAG large text: Fail
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#311323
Analogous#143113, #133130
Triadic#211331, #312113
Split complementary#301331, #311314
Tetradic#131431, #311323, #313013
Tints, shades & saturation
Channel breakdown
R19
G49
B33
Red19 (7.5%)
Green49 (19.2%)
Blue33 (12.9%)
Hue148°
Saturation (HSL)44.12%
Lightness13.33%
Dominant channelGreen
Hex per channelR 13 · G 31 · B 21
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