The Number

213689

Two Hundred and Thirteen Thousand Six Hundred and Eighty-Nine

In Base 21 Unovigesimal Is

121be21

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

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

Nearby Numbers

Positive, nonzero integers within three units

213686
121bb21
Two Hundred and Thirteen Thousand Six Hundred and Eighty-Six in Base 21 Unovigesimal
213687
121bc21
Two Hundred and Thirteen Thousand Six Hundred and Eighty-Seven in Base 21 Unovigesimal
213688
121bd21
Two Hundred and Thirteen Thousand Six Hundred and Eighty-Eight in Base 21 Unovigesimal
213690
121bf21
Two Hundred and Thirteen Thousand Six Hundred and Ninety in Base 21 Unovigesimal
213691
121bg21
Two Hundred and Thirteen Thousand Six Hundred and Ninety-One in Base 21 Unovigesimal
213692
121bh21
Two Hundred and Thirteen Thousand Six Hundred and Ninety-Two in Base 21 Unovigesimal

Scientific Notation

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

2.13689e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j27bbgfgkg0k21

The reciprocal of 213689 in Base 21 Unovigesimal.

Palindrome?

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

The number 121be21 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 eighty-nine is a composite number with 10 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 eighty-nine is a composite number with 10 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 eighty-nine has the following 2 prime factors:

7
721
Seven in Base 21 Unovigesimal
89
4521
Eighty-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

7214 · 45211 = 121be21

Base Conversions

The number two hundred and thirteen thousand six hundred and eighty-nine in 35 different bases