The Number

213871

Two Hundred and Thirteen Thousand Eight Hundred and Seventy-One

In Base 21 Unovigesimal Is

121k721

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

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

Nearby Numbers

Positive, nonzero integers within three units

213868
121k421
Two Hundred and Thirteen Thousand Eight Hundred and Sixty-Eight in Base 21 Unovigesimal
213869
121k521
Two Hundred and Thirteen Thousand Eight Hundred and Sixty-Nine in Base 21 Unovigesimal
213870
121k621
Two Hundred and Thirteen Thousand Eight Hundred and Seventy in Base 21 Unovigesimal
213872
121k821
Two Hundred and Thirteen Thousand Eight Hundred and Seventy-Two in Base 21 Unovigesimal
213873
121k921
Two Hundred and Thirteen Thousand Eight Hundred and Seventy-Three in Base 21 Unovigesimal
213874
121ka21
Two Hundred and Thirteen Thousand Eight Hundred and Seventy-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.

2.13871e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j207jejk68i21

The reciprocal of 213871 in Base 21 Unovigesimal.

Palindrome?

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

The number 121k721 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 seventy-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 eight hundred and seventy-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 eight hundred and seventy-one has the following 2 prime factors:

7
721
Seven in Base 21 Unovigesimal
30553
365j21
Thirty Thousand Five Hundred and Fifty-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

7211 · 365j211 = 121k721

Base Conversions

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