The Number

213691

Two Hundred and Thirteen Thousand Six Hundred and Ninety-One

In Base 21 Unovigesimal Is

121bg21

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

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

Nearby Numbers

Positive, nonzero integers within three units

213688
121bd21
Two Hundred and Thirteen Thousand Six Hundred and Eighty-Eight in Base 21 Unovigesimal
213689
121be21
Two Hundred and Thirteen Thousand Six Hundred and Eighty-Nine in Base 21 Unovigesimal
213690
121bf21
Two Hundred and Thirteen Thousand Six Hundred and Ninety in Base 21 Unovigesimal
213692
121bh21
Two Hundred and Thirteen Thousand Six Hundred and Ninety-Two in Base 21 Unovigesimal
213693
121bi21
Two Hundred and Thirteen Thousand Six Hundred and Ninety-Three in Base 21 Unovigesimal
213694
121bj21
Two Hundred and Thirteen Thousand Six 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.

2.13691e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j279j0420be521

The reciprocal of 213691 in Base 21 Unovigesimal.

Palindrome?

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

The number 121bg21 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 six 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 thirteen thousand six 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 thirteen thousand six hundred and ninety-one has the following 2 prime factors:

97
4d21
Ninety-Seven in Base 21 Unovigesimal
2203
4kj21
Two Thousand Two 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

4d211 · 4kj211 = 121bg21

Base Conversions

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