Recognised as Number
749,471
- Positive
- Odd
- Prime
- 6 digits
749,471 is an odd 6-digit integer and a prime number. It has 2 divisors and a digital root of 5.
Number properties
ParityOddnot divisible by 2
SignPositive
PrimalityPrime
Absolute value749,471
Digit count6
Digit sum32
Digit product7,056
Multiplicative persistence2times the digit product can be taken before one digit is left
Digital root5repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation749,471
Distinct prime factors1749,471
Number of divisors2
Sum of divisors σ(n)749,472
Aliquot sum1sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)749,470integers below n that share no factor with it
Carmichael function λ(n)749,470the smallest exponent with aˣ ≡ 1 for every unit coprime to n
Möbius function μ(n)−11 distinct prime factor, an odd number of them
SquarefreeYesno repeated prime factor
All divisors1, 749,4712 in total
Arithmetic
Representations
Decimal749,471
Binary1011011011111001111120 bits
Octal2667637
HexadecimalB6F9F
Base 36G2AN
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordsseven hundred and forty-nine thousand, four hundred and seventy-one
Ordinalseven hundred and forty-nine thousand, four hundred and seventy-first
Scientific notation7.49471 × 10^5
Engineering notation749.471 × 10^3
In other bases
Ternary1102002002012base 3; the most digit-efficient integer base after e: 13 digits
Quinary142440341base 5; one hand: 9 digits
Septenary6241022base 7: 7 digits
Nonary1362065base 9; each digit is two ternary digits: 7 digits
Duodecimal30187bbase 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 6 digits
Vigesimal4dddbbase 20; hands and feet, and the Mayan and Yoruba systems: 5 digits
Sexagesimal3:28:11:11base 60; Babylonian, and still how an hour and a circle are divided: 4 digits
Balanced ternary111T01T01T1TTdigits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary111001011000011100011base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
00000000000010110110111110011111
Bit length20 bitsto write the magnitude
Set bits15the population count, or Hamming weight
Zero bits5within that length
Bit parityodd15 set bits, so odd; not the same as the number itself being odd
Highest set bitbit 19worth 524,288
Lowest set bitbit 00 trailing zeros
Power of twoNo
Bytes30b 6f 9f
Gray code11101101100001010000n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
32-bit00000000000010110110111110011111
64-bit0000000000000000000000000000000000000000000010110110111110011111
One's complement11111111111101001001000001100000at 32 bits, every bit flipped
Bits reversed11111001111101101101000000000000at 32 bits
Rotated left by 100000000000101101101111100111110at 32 bits, wrapping
Shifted left by 1101101101111100111110= 1,498,942, no wrap
Shifted right by 11011011011111001111= 374,735, discarding the low bit
These bits as a double3.70287874 × 10^-318≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Nearest landmarks
Powers & multiples
749,471 to the power 2561,706,779,841
749,471 to the power 3420,982,941,994,214,111
749,471 to the power 4315,514,506,519,345,643,985,281
749,471 to the power 5236,468,972,715,560,499,143,292,536,351
First ten multiples749,471, 1,498,942, 2,248,413, 2,997,884, 3,747,355, 4,496,826, 5,246,297, 5,995,768, 6,745,239, 7,494,710
Powers of twoBetween 2^19 (524,288) and 2^20 (1,048,576)
Divisibility tests
Divisible by 2No, remainder 1
Divisible by 3No, remainder 2
Divisible by 4No, remainder 3
Divisible by 5No, remainder 1
Divisible by 6No, remainder 5
Divisible by 7No, remainder 2
Divisible by 8No, remainder 7
Divisible by 9No, remainder 5
Divisible by 10No, remainder 1
Divisible by 11No, remainder 8
Divisible by 12No, remainder 11
Divisible by 100No, remainder 71
Collatz (3n + 1) trajectory
Steps to reach 1392the total stopping time
Highest value reached88,811,476118× the starting value
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps749,471 → 2,248,414 → 1,124,207 → 3,372,622 → 1,686,311 → 5,058,934 → 2,529,467 → 7,588,402 → 3,794,201 → 11,382,604 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage74,947,100%
749,471% as a decimal7,494.71
749,471% of 100749,471
749,471% of 1,0007,494,710
As a fraction of 100749,471/100
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Derived from 749,471
Also reads as
#749471 (colour)
- #749471
- Green
- Dark
- Nearest: Dark seagreen
#749471 is a green with RGB values 116, 148, 113 and HSL 115°, 14%, 51%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Dark seagreen.
Colour values
#749471#749471
HEX#749471
RGBrgb(116, 148, 113)
RGB (0–1)0.4549, 0.5804, 0.4431
RGB percentages45.5%, 58%, 44.3%
HSLhsl(114.9, 14.1%, 51.2%)
HSV / HSBhsv(114.9, 23.6%, 58%)
CMYK21.6%, 0%, 23.6%, 42%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,640,177
CSS custom property--colour: #749471;
Brightness & contrast
Relative luminance0.26085WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.22:1
Contrast with white3.38:1WCAG normal text: Fail
Contrast with black6.22:1WCAG normal text: AA
Greyscale equivalent#8B8B8B
Inverted#8B6B8E
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.38:1WCAG large text: AA
Contrast with black, large text6.22:1WCAG large text: AAA
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#917194
Analogous#869471, #71947F
Triadic#717494, #947174
Split complementary#807194, #947185
Tetradic#718594, #917194, #947F71
Tints, shades & saturation
Channel breakdown
R116
G148
B113
Red116 (45.5%)
Green148 (58%)
Blue113 (44.3%)
Hue114.86°
Saturation (HSL)14.06%
Lightness51.18%
Dominant channelGreen
Hex per channelR 74 · G 94 · B 71
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Harmonies
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