The Number

231389

Two Hundred and Thirty-One Thousand Three Hundred and Eighty-Nine

In Base 21 Unovigesimal Is

13keb21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Two Hundred and Thirty-One Thousand Three Hundred and Eighty-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

231386
13ke821
Two Hundred and Thirty-One Thousand Three Hundred and Eighty-Six in Base 21 Unovigesimal
231387
13ke921
Two Hundred and Thirty-One Thousand Three Hundred and Eighty-Seven in Base 21 Unovigesimal
231388
13kea21
Two Hundred and Thirty-One Thousand Three Hundred and Eighty-Eight in Base 21 Unovigesimal
231390
13kec21
Two Hundred and Thirty-One Thousand Three Hundred and Ninety in Base 21 Unovigesimal
231391
13ked21
Two Hundred and Thirty-One Thousand Three Hundred and Ninety-One in Base 21 Unovigesimal
231392
13kee21
Two Hundred and Thirty-One Thousand Three Hundred and Ninety-Two in Base 21 Unovigesimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

2.31389e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000hddh14c35c7e21

The reciprocal of 231389 in Base 21 Unovigesimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 13keb21 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Two hundred and thirty-one thousand three hundred and eighty-nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and thirty-one thousand three hundred and eighty-nine is a composite number with 4 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number two hundred and thirty-one thousand three hundred and eighty-nine has the following 2 prime factors:

71
3821
Seventy-One in Base 21 Unovigesimal
3259
78421
Three Thousand Two Hundred and Fifty-Nine in Base 21 Unovigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

38211 · 784211 = 13keb21

Base Conversions

The number two hundred and thirty-one thousand three hundred and eighty-nine in 35 different bases