Number

27,389

Positive
Odd
Composite
5 digits

27,389 is an odd 5-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 value27,389

Digit count5

Digit sum29

Digital root2repeated digit sum

PalindromicNoreads differently backwards

Happy numberNosquared-digit sums reach 1

Harshad numberNodivisible by its own digit sum

Factors & divisors

Prime factorisation61 × 449

Distinct prime factors261, 449

Number of divisors4

Sum of divisors σ(n)27,900

Aliquot sum511sum of the proper divisors

ClassificationDeficientthe aliquot sum is less than the number

Euler's totient φ(n)26,880integers below n that share no factor with it

SquarefreeYesno repeated prime factor

All divisors1, 61, 449, 27,3894 in total

Arithmetic

Previous number27,388

Next number27,390

Double54,778

Half13,694.5

Square750,157,321

Cube20,546,058,864,869

Square root165.496223522≈irrational, shown to 9 decimal places

Cube root30.143387648≈

Negation-27,389

Reciprocal0.000036511≈

Representations

Decimal27,389

Binary11010101111110115 bits

Octal65375

Hexadecimal6AFD

Base 36L4T

Roman numeralNot defined above 3,999there is no agreed standard notation

In wordstwenty-seven thousand, three hundred and eighty-nine

Ordinaltwenty-seven thousand, three hundred and eighty-ninth

Scientific notation2.7389 × 10^4

Engineering notation27.389 × 10^3

Nearest landmarks

Next prime27,397+8

Previous prime27,367−22

Distance to nearest prime8

Nearest square below27,225

Nearest square above27,556

Powers & multiples

27,389 to the power 2750,157,321

27,389 to the power 320,546,058,864,869

27,389 to the power 4562,736,006,249,897,041

27,389 to the power 515,412,776,475,178,430,055,949

First ten multiples27,389, 54,778, 82,167, 109,556, 136,945, 164,334, 191,723, 219,112, 246,501, 273,890

Powers of twoBetween 2^14 (16,384) and 2^15 (32,768)

Divisibility tests

Divisible by 2No, remainder 1

Divisible by 3No, remainder 2

Divisible by 4No, remainder 1

Divisible by 5No, remainder 4

Divisible by 6No, remainder 5

Divisible by 7No, remainder 5

Divisible by 8No, remainder 5

Divisible by 9No, remainder 2

Divisible by 10No, remainder 9

Divisible by 11No, remainder 10

Divisible by 12No, remainder 5

Divisible by 100No, remainder 89

Collatz (3n + 1) trajectory

Steps to reach 164the total stopping time

Highest value reached156,0045× the starting value

Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven

First steps27,389 → 82,168 → 41,084 → 20,542 → 10,271 → 30,814 → 15,407 → 46,222 → 23,111 → 69,334 → …

Last steps… → 5 → 16 → 8 → 4 → 2 → 1

As a percentage & fraction

As a percentage2,738,900%

27,389% as a decimal273.89

27,389% of 10027,389

27,389% of 1,000273,890

As a fraction of 10027,389/100

Read another way

As seconds7 hours, 36 minutes and 29 seconds

As bytes26.747 KiB

As a 24-bit colour#006AFD

Keep nerding

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