Recognised as Number
101,601
- Positive
- Odd
- Composite
- 6 digits
101,601 is an odd 6-digit integer and a composite number. It has 16 divisors and a digital root of 9.
Number properties
ParityOddnot divisible by 2
SignPositive
PrimalityComposite
Absolute value101,601
Digit count6
Digit sum9
Digit product0zero, because one of the digits is zero
Multiplicative persistence1times the digit product can be taken before one digit is left
Digital root9repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberYesdivisible by its own digit sum
Factors & divisors
Prime factorisation3^3 × 53 × 71
Distinct prime factors33, 53, 71
Number of divisors16
Sum of divisors σ(n)155,520
Aliquot sum53,919sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)65,520integers below n that share no factor with it
Carmichael function λ(n)16,380the smallest exponent with aˣ ≡ 1 for every unit; smaller than φ(n) = 65,520
Möbius function μ(n)0zero, because a prime divides n twice
SquarefreeNohas a repeated prime factor
All divisors1, 3, 9, 27, 53, 71, 159, 213, 477, 639, 1,431, 1,917, 3,763, 11,289, 33,867, 101,60116 in total
Arithmetic
Representations
Decimal101,601
Binary1100011001110000117 bits
Octal306341
Hexadecimal18CE1
Base 3626E9
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordsone hundred and one thousand, six hundred and one
Ordinalone hundred and one thousand, six hundred and first
Scientific notation1.01601 × 10^5
Engineering notation101.601 × 10^3
In other bases
Ternary12011101000base 3; the most digit-efficient integer base after e: 11 digits
Quinary11222401base 5; one hand: 8 digits
Septenary602133base 7: 6 digits
Nonary164330base 9; each digit is two ternary digits: 6 digits
Duodecimal4a969base 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 5 digits
Vigesimalce01base 20; hands and feet, and the Mayan and Yoruba systems: 4 digits
Sexagesimal28:13:21base 60; Babylonian, and still how an hour and a circle are divided: 3 digits
Balanced ternary1TT011101000digits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary1101001110100100001base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
00000000000000011000110011100001
Bit length17 bitsto write the magnitude
Set bits8the population count, or Hamming weight
Zero bits9within that length
Bit parityeven8 set bits, so even; not the same as the number itself being odd
Highest set bitbit 16worth 65,536
Lowest set bitbit 00 trailing zeros
Power of twoNo
Bytes301 8c e1
Gray code10100101010010001n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
32-bit00000000000000011000110011100001
64-bit0000000000000000000000000000000000000000000000011000110011100001
One's complement11111111111111100111001100011110at 32 bits, every bit flipped
Bits reversed10000111001100011000000000000000at 32 bits
Rotated left by 100000000000000110001100111000010at 32 bits, wrapping
Shifted left by 1110001100111000010= 203,202, no wrap
Shifted right by 11100011001110000= 50,800, discarding the low bit
These bits as a double5.01975637 × 10^-319≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Nearest landmarks
Powers & multiples
101,601 to the power 210,322,763,201
101,601 to the power 31,048,803,063,984,801
101,601 to the power 4106,559,440,103,919,766,401
101,601 to the power 510,826,545,673,998,352,186,108,001
First ten multiples101,601, 203,202, 304,803, 406,404, 508,005, 609,606, 711,207, 812,808, 914,409, 1,016,010
Powers of twoBetween 2^16 (65,536) and 2^17 (131,072)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3Yes
Divisible by 4No, remainder 1
Divisible by 5No, remainder 1
Divisible by 6No, remainder 3
Divisible by 7No, remainder 3
Divisible by 8No, remainder 1
Divisible by 9Yes
Divisible by 10No, remainder 1
Divisible by 11No, remainder 5
Divisible by 12No, remainder 9
Divisible by 100No, remainder 1
Collatz (3n + 1) trajectory
Steps to reach 1203the total stopping time
Highest value reached1,301,99212× the starting value
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps101,601 → 304,804 → 152,402 → 76,201 → 228,604 → 114,302 → 57,151 → 171,454 → 85,727 → 257,182 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage10,160,100%
101,601% as a decimal1,016.01
101,601% of 100101,601
101,601% of 1,0001,016,010
As a fraction of 100101,601/100
Read another way
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Derived from 101,601
Also reads as
#101601 (colour)
- #101601
- Green
- Dark
- Nearest: Black
#101601 is a green with RGB values 16, 22, 1 and HSL 77°, 91%, 5%. It is a dark colour, so white text on it reaches 18.5:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#101601#101601
HEX#101601
RGBrgb(16, 22, 1)
RGB (0–1)0.0627, 0.0863, 0.0039
RGB percentages6.3%, 8.6%, 0.4%
HSLhsl(77.1, 91.3%, 4.5%)
HSV / HSBhsv(77.1, 95.5%, 8.6%)
CMYK27.3%, 0%, 95.5%, 91.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,054,209
CSS custom property--colour: #101601;
Brightness & contrast
Relative luminance0.00686WCAG 2.x, 0 is black and 1 is white
Perceived brightness19 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.47:1
Contrast with white18.47:1WCAG normal text: AAA
Contrast with black1.14:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#EFE9FE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.47:1WCAG large text: AAA
Contrast with black, large text1.14:1WCAG large text: Fail
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#070116
Analogous#161101, #061601
Triadic#011016, #160110
Split complementary#010616, #110116
Tetradic#011611, #070116, #160106
Tints, shades & saturation
Channel breakdown
R16
G22
B1
Red16 (6.3%)
Green22 (8.6%)
Blue1 (0.4%)
Hue77.14°
Saturation (HSL)91.3%
Lightness4.51%
Dominant channelGreen
Hex per channelR 10 · G 16 · B 01
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Harmonies
Similar named colours
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