The Number

221938

Two Hundred and Twenty-One Thousand Nine Hundred and Thirty-Eight

In Base 21 Unovigesimal Is

12k5a21

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

For more familiar numbers: See Two Hundred and Twenty-One Thousand Nine Hundred and Thirty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

221935
12k5721
Two Hundred and Twenty-One Thousand Nine Hundred and Thirty-Five in Base 21 Unovigesimal
221936
12k5821
Two Hundred and Twenty-One Thousand Nine Hundred and Thirty-Six in Base 21 Unovigesimal
221937
12k5921
Two Hundred and Twenty-One Thousand Nine Hundred and Thirty-Seven in Base 21 Unovigesimal
221939
12k5b21
Two Hundred and Twenty-One Thousand Nine Hundred and Thirty-Nine in Base 21 Unovigesimal
221940
12k5c21
Two Hundred and Twenty-One Thousand Nine Hundred and Forty in Base 21 Unovigesimal
221941
12k5d21
Two Hundred and Twenty-One Thousand Nine Hundred and Forty-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.

2.21938e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000i895hb8839h621

The reciprocal of 221938 in Base 21 Unovigesimal.

Palindrome?

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

The number 12k5a21 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 twenty-one thousand nine hundred and thirty-eight 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 twenty-one thousand nine hundred and thirty-eight 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 twenty-one thousand nine hundred and thirty-eight has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
110969
bkd521
One Hundred and Ten Thousand Nine Hundred and Sixty-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

2211 · bkd5211 = 12k5a21

Base Conversions

The number two hundred and twenty-one thousand nine hundred and thirty-eight in 35 different bases