Recognised as Number
749,321
- Positive
- Odd
- Composite
- 6 digits
749,321 is an odd 6-digit integer and a composite number. It has 8 divisors and a digital root of 8.
Number properties
ParityOddnot divisible by 2
SignPositive
PrimalityComposite
Absolute value749,321
Digit count6
Digit sum26
Digit product1,512
Multiplicative persistence3times the digit product can be taken before one digit is left
Digital root8repeated digit sum
PalindromicNoreads differently backwards
Happy numberNosquared-digit sums reach 1
Harshad numberNodivisible by its own digit sum
Factors & divisors
Prime factorisation47 × 107 × 149
Distinct prime factors347, 107, 149
Number of divisors8
Sum of divisors σ(n)777,600
Aliquot sum28,279sum of the proper divisors
ClassificationDeficientthe aliquot sum is less than the number
Euler's totient φ(n)721,648integers below n that share no factor with it
Carmichael function λ(n)180,412the smallest exponent with aˣ ≡ 1 for every unit; smaller than φ(n) = 721,648
Möbius function μ(n)−13 distinct prime factors, an odd number of them
SquarefreeYesno repeated prime factor
All divisors1, 47, 107, 149, 5,029, 7,003, 15,943, 749,3218 in total
Arithmetic
Representations
Decimal749,321
Binary1011011011110000100120 bits
Octal2667411
HexadecimalB6F09
Base 36G26H
Roman numeralNot defined above 3,999there is no agreed standard notation
In wordsseven hundred and forty-nine thousand, three hundred and twenty-one
Ordinalseven hundred and forty-nine thousand, three hundred and twenty-first
Scientific notation7.49321 × 10^5
Engineering notation749.321 × 10^3
In other bases
Ternary1102001212122base 3; the most digit-efficient integer base after e: 13 digits
Quinary142434241base 5; one hand: 9 digits
Septenary6240416base 7: 7 digits
Nonary1361778base 9; each digit is two ternary digits: 7 digits
Duodecimal301775base 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 6 digits
Vigesimal4dd61base 20; hands and feet, and the Mayan and Yoruba systems: 5 digits
Sexagesimal3:28:8:41base 60; Babylonian, and still how an hour and a circle are divided: 4 digits
Balanced ternary111T01T0T0T0Tdigits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary111001011001100011001base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
00000000000010110110111100001001
Bit length20 bitsto write the magnitude
Set bits11the population count, or Hamming weight
Zero bits9within that length
Bit parityodd11 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 09
Gray code11101101100010001101n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
32-bit00000000000010110110111100001001
64-bit0000000000000000000000000000000000000000000010110110111100001001
One's complement11111111111101001001000011110110at 32 bits, every bit flipped
Bits reversed10010000111101101101000000000000at 32 bits
Rotated left by 100000000000101101101111000010010at 32 bits, wrapping
Shifted left by 1101101101111000010010= 1,498,642, no wrap
Shifted right by 11011011011110000100= 374,660, discarding the low bit
These bits as a double3.70213764 × 10^-318≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Nearest landmarks
Powers & multiples
749,321 to the power 2561,481,961,041
749,321 to the power 3420,730,224,529,203,161
749,321 to the power 4315,261,992,574,447,041,803,681
749,321 to the power 5236,232,431,537,877,231,811,376,050,601
First ten multiples749,321, 1,498,642, 2,247,963, 2,997,284, 3,746,605, 4,495,926, 5,245,247, 5,994,568, 6,743,889, 7,493,210
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 1
Divisible by 5No, remainder 1
Divisible by 6No, remainder 5
Divisible by 7No, remainder 6
Divisible by 8No, remainder 1
Divisible by 9No, remainder 8
Divisible by 10No, remainder 1
Divisible by 11No, remainder 1
Divisible by 12No, remainder 5
Divisible by 100No, remainder 21
Collatz (3n + 1) trajectory
Steps to reach 1180the total stopping time
Highest value reached12,152,75216× the starting value
Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven
First steps749,321 → 2,247,964 → 1,123,982 → 561,991 → 1,685,974 → 842,987 → 2,528,962 → 1,264,481 → 3,793,444 → 1,896,722 → …
Last steps… → 5 → 16 → 8 → 4 → 2 → 1
As a percentage & fraction
As a percentage74,932,100%
749,321% as a decimal7,493.21
749,321% of 100749,321
749,321% of 1,0007,493,210
As a fraction of 100749,321/100
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Derived from 749,321
Also reads as
#749321 (colour)
- #749321
- Green
- Dark
- Nearest: Olivedrab
#749321 is a green with RGB values 116, 147, 33 and HSL 76°, 63%, 35%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Olivedrab.
Colour values
#749321#749321
HEX#749321
RGBrgb(116, 147, 33)
RGB (0–1)0.4549, 0.5765, 0.1294
RGB percentages45.5%, 57.6%, 12.9%
HSLhsl(76.3, 63.3%, 35.3%)
HSV / HSBhsv(76.3, 77.6%, 57.6%)
CMYK21.1%, 0%, 77.6%, 42.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,639,841
CSS custom property--colour: #749321;
Brightness & contrast
Relative luminance0.2469WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.94:1
Contrast with white3.54:1WCAG normal text: Fail
Contrast with black5.94:1WCAG normal text: AA
Greyscale equivalent#848484
Inverted#8B6CDE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.54:1WCAG large text: AA
Contrast with black, large text5.94:1WCAG large text: AAA
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#402193
Analogous#937921, #3B9321
Triadic#217493, #932174
Split complementary#213B93, #792193
Tetradic#219379, #402193, #93213B
Tints, shades & saturation
Channel breakdown
R116
G147
B33
Red116 (45.5%)
Green147 (57.6%)
Blue33 (12.9%)
Hue76.32°
Saturation (HSL)63.33%
Lightness35.29%
Dominant channelGreen
Hex per channelR 74 · G 93 · B 21
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