The Number

231813

Two Hundred and Thirty-One Thousand Eight Hundred and Thirteen

In Base 21 Unovigesimal Is

140df21

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

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

Nearby Numbers

Positive, nonzero integers within three units

231810
140dc21
Two Hundred and Thirty-One Thousand Eight Hundred and Ten in Base 21 Unovigesimal
231811
140dd21
Two Hundred and Thirty-One Thousand Eight Hundred and Eleven in Base 21 Unovigesimal
231812
140de21
Two Hundred and Thirty-One Thousand Eight Hundred and Twelve in Base 21 Unovigesimal
231814
140dg21
Two Hundred and Thirty-One Thousand Eight Hundred and Fourteen in Base 21 Unovigesimal
231815
140dh21
Two Hundred and Thirty-One Thousand Eight Hundred and Fifteen in Base 21 Unovigesimal
231816
140di21
Two Hundred and Thirty-One Thousand Eight Hundred and Sixteen in Base 21 Unovigesimal

Scientific Notation

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

2.31813e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000hckc1e2ghg9321

The reciprocal of 231813 in Base 21 Unovigesimal.

Palindrome?

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

The number 140df21 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 eight hundred and thirteen is a composite number with 12 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 eight hundred and thirteen is a composite number with 12 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 eight hundred and thirteen has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
43
2121
Forty-Three in Base 21 Unovigesimal
599
17b21
Five Hundred and Ninety-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

3212 · 21211 · 17b211 = 140df21

Base Conversions

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