The Number

213668

Two Hundred and Thirteen Thousand Six Hundred and Sixty-Eight

In Base 21 Unovigesimal Is

121ae21

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

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

Nearby Numbers

Positive, nonzero integers within three units

213665
121ab21
Two Hundred and Thirteen Thousand Six Hundred and Sixty-Five in Base 21 Unovigesimal
213666
121ac21
Two Hundred and Thirteen Thousand Six Hundred and Sixty-Six in Base 21 Unovigesimal
213667
121ad21
Two Hundred and Thirteen Thousand Six Hundred and Sixty-Seven in Base 21 Unovigesimal
213669
121af21
Two Hundred and Thirteen Thousand Six Hundred and Sixty-Nine in Base 21 Unovigesimal
213670
121ag21
Two Hundred and Thirteen Thousand Six Hundred and Seventy in Base 21 Unovigesimal
213671
121ah21
Two Hundred and Thirteen Thousand Six Hundred and Seventy-One in Base 21 Unovigesimal

Scientific Notation

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

2.13668e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j287k292f90721

The reciprocal of 213668 in Base 21 Unovigesimal.

Palindrome?

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

The number 121ae21 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 sixty-eight is a composite number with 24 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 sixty-eight is a composite number with 24 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 sixty-eight has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
587
16k21
Five Hundred and Eighty-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

2212 · 7211 · d211 · 16k211 = 121ae21

Base Conversions

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