The Number

231385

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

In Base 21 Unovigesimal Is

13ke721

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-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

231382
13ke421
Two Hundred and Thirty-One Thousand Three Hundred and Eighty-Two in Base 21 Unovigesimal
231383
13ke521
Two Hundred and Thirty-One Thousand Three Hundred and Eighty-Three in Base 21 Unovigesimal
231384
13ke621
Two Hundred and Thirty-One Thousand Three Hundred and Eighty-Four in Base 21 Unovigesimal
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

Scientific Notation

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

2.31385e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000hddjibfc7gfc21

The reciprocal of 231385 in Base 21 Unovigesimal.

Palindrome?

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

The number 13ke721 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-five is a composite number with 16 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-five is a composite number with 16 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-five has the following 4 prime factors:

5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
601
17d21
Six Hundred and One in Base 21 Unovigesimal

Prime Factorization

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

5211 · 7211 · b211 · 17d211 = 13ke721

Base Conversions

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