The Number

231191

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

In Base 21 Unovigesimal Is

13k5221

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

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

Nearby Numbers

Positive, nonzero integers within three units

231188
13k4k21
Two Hundred and Thirty-One Thousand One Hundred and Eighty-Eight in Base 21 Unovigesimal
231189
13k5021
Two Hundred and Thirty-One Thousand One Hundred and Eighty-Nine in Base 21 Unovigesimal
231190
13k5121
Two Hundred and Thirty-One Thousand One Hundred and Ninety in Base 21 Unovigesimal
231192
13k5321
Two Hundred and Thirty-One Thousand One Hundred and Ninety-Two in Base 21 Unovigesimal
231193
13k5421
Two Hundred and Thirty-One Thousand One Hundred and Ninety-Three in Base 21 Unovigesimal
231194
13k5521
Two Hundred and Thirty-One Thousand One 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.

2.31191e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000hdka1192afkk21

The reciprocal of 231191 in Base 21 Unovigesimal.

Palindrome?

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

The number 13k5221 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 one hundred and ninety-one 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 one hundred and ninety-one 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 one hundred and ninety-one has the following 2 prime factors:

73
3a21
Seventy-Three in Base 21 Unovigesimal
3167
73h21
Three Thousand One Hundred and Sixty-Seven in Base 21 Unovigesimal

Prime Factorization

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

3a211 · 73h211 = 13k5221

Base Conversions

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