The Number

231391

Two Hundred and Thirty-One Thousand Three Hundred and Ninety-One

In Base 21 Unovigesimal Is

13ked21

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 Ninety-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

231388
13kea21
Two Hundred and Thirty-One Thousand Three Hundred and Eighty-Eight in Base 21 Unovigesimal
231389
13keb21
Two Hundred and Thirty-One Thousand Three Hundred and Eighty-Nine in Base 21 Unovigesimal
231390
13kec21
Two Hundred and Thirty-One Thousand Three Hundred and Ninety in Base 21 Unovigesimal
231392
13kee21
Two Hundred and Thirty-One Thousand Three Hundred and Ninety-Two in Base 21 Unovigesimal
231393
13kef21
Two Hundred and Thirty-One Thousand Three Hundred and Ninety-Three in Base 21 Unovigesimal
231394
13keg21
Two Hundred and Thirty-One Thousand Three Hundred and Ninety-Four in Base 21 Unovigesimal

Scientific Notation

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

2.31391e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000hddfdbag726k21

The reciprocal of 231391 in Base 21 Unovigesimal.

Palindrome?

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

The number 13ked21 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 ninety-one is a composite number with 8 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 ninety-one is a composite number with 8 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 ninety-one has the following 3 prime factors:

29
1821
Twenty-Nine in Base 21 Unovigesimal
79
3g21
Seventy-Nine in Base 21 Unovigesimal
101
4h21
One 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

18211 · 3g211 · 4h211 = 13ked21

Base Conversions

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