The Number

212840

Two Hundred and Twelve Thousand Eight Hundred and Forty

In Base 21 Unovigesimal Is

11kd521

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

For more familiar numbers: See Two Hundred and Twelve Thousand Eight Hundred and Forty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

212837
11kd221
Two Hundred and Twelve Thousand Eight Hundred and Thirty-Seven in Base 21 Unovigesimal
212838
11kd321
Two Hundred and Twelve Thousand Eight Hundred and Thirty-Eight in Base 21 Unovigesimal
212839
11kd421
Two Hundred and Twelve Thousand Eight Hundred and Thirty-Nine in Base 21 Unovigesimal
212841
11kd621
Two Hundred and Twelve Thousand Eight Hundred and Forty-One in Base 21 Unovigesimal
212842
11kd721
Two Hundred and Twelve Thousand Eight Hundred and Forty-Two in Base 21 Unovigesimal
212843
11kd821
Two Hundred and Twelve Thousand Eight Hundred and Forty-Three in Base 21 Unovigesimal

Scientific Notation

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

2.12840e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j3k3cb9k940c21

The reciprocal of 212840 in Base 21 Unovigesimal.

Palindrome?

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

The number 11kd521 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 eight hundred and forty is a composite number with 32 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 eight hundred and forty is a composite number with 32 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 eight hundred and forty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
313
ej21
Three Hundred and Thirteen in Base 21 Unovigesimal

Prime Factorization

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

2213 · 5211 · h211 · ej211 = 11kd521

Base Conversions

The number two hundred and twelve thousand eight hundred and forty in 35 different bases