The Number

213806

Two Hundred and Thirteen Thousand Eight Hundred and Six

In Base 21 Unovigesimal Is

121h521

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

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

Nearby Numbers

Positive, nonzero integers within three units

213803
121h221
Two Hundred and Thirteen Thousand Eight Hundred and Three in Base 21 Unovigesimal
213804
121h321
Two Hundred and Thirteen Thousand Eight Hundred and Four in Base 21 Unovigesimal
213805
121h421
Two Hundred and Thirteen Thousand Eight Hundred and Five in Base 21 Unovigesimal
213807
121h621
Two Hundred and Thirteen Thousand Eight Hundred and Seven in Base 21 Unovigesimal
213808
121h721
Two Hundred and Thirteen Thousand Eight Hundred and Eight in Base 21 Unovigesimal
213809
121h821
Two Hundred and Thirteen Thousand Eight Hundred and Nine in Base 21 Unovigesimal

Scientific Notation

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

2.13806e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j22jeg27ce6d21

The reciprocal of 213806 in Base 21 Unovigesimal.

Palindrome?

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

The number 121h521 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 thirteen thousand eight hundred and six 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 thirteen thousand eight hundred and six 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 thirteen thousand eight hundred and six has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
106903
bb8d21
One Hundred and Six Thousand Nine Hundred and Three in Base 21 Unovigesimal

Prime Factorization

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

2211 · bb8d211 = 121h521

Base Conversions

The number two hundred and thirteen thousand eight hundred and six in 35 different bases