The Number

212981

Two Hundred and Twelve Thousand Nine Hundred and Eighty-One

In Base 21 Unovigesimal Is

11kjk21

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

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

Nearby Numbers

Positive, nonzero integers within three units

212978
11kjh21
Two Hundred and Twelve Thousand Nine Hundred and Seventy-Eight in Base 21 Unovigesimal
212979
11kji21
Two Hundred and Twelve Thousand Nine Hundred and Seventy-Nine in Base 21 Unovigesimal
212980
11kjj21
Two Hundred and Twelve Thousand Nine Hundred and Eighty in Base 21 Unovigesimal
212982
11kk021
Two Hundred and Twelve Thousand Nine Hundred and Eighty-Two in Base 21 Unovigesimal
212983
11kk121
Two Hundred and Twelve Thousand Nine Hundred and Eighty-Three in Base 21 Unovigesimal
212984
11kk221
Two Hundred and Twelve Thousand Nine Hundred and Eighty-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.

2.12981e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j3ebjk6i3j7721

The reciprocal of 212981 in Base 21 Unovigesimal.

Palindrome?

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

The number 11kjk21 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 twelve thousand nine hundred and eighty-one is a composite number with 2 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 twelve thousand nine hundred and eighty-one is a composite number with 2 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 twelve thousand nine hundred and eighty-one has the following 1 prime factor:

212981
11kjk21
Two Hundred and Twelve Thousand Nine Hundred and Eighty-One in Base 21 Unovigesimal

Prime Factorization

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

11kjk211 = 11kjk21

Base Conversions

The number two hundred and twelve thousand nine hundred and eighty-one in 35 different bases