The Number

221897

Two Hundred and Twenty-One Thousand Eight Hundred and Ninety-Seven

In Base 21 Unovigesimal Is

12k3b21

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

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

Nearby Numbers

Positive, nonzero integers within three units

221894
12k3821
Two Hundred and Twenty-One Thousand Eight Hundred and Ninety-Four in Base 21 Unovigesimal
221895
12k3921
Two Hundred and Twenty-One Thousand Eight Hundred and Ninety-Five in Base 21 Unovigesimal
221896
12k3a21
Two Hundred and Twenty-One Thousand Eight Hundred and Ninety-Six in Base 21 Unovigesimal
221898
12k3c21
Two Hundred and Twenty-One Thousand Eight Hundred and Ninety-Eight in Base 21 Unovigesimal
221899
12k3d21
Two Hundred and Twenty-One Thousand Eight Hundred and Ninety-Nine in Base 21 Unovigesimal
221900
12k3e21
Two Hundred and Twenty-One Thousand Nine Hundred in Base 21 Unovigesimal

Scientific Notation

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

2.21897e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000i8ag6gja9a5h21

The reciprocal of 221897 in Base 21 Unovigesimal.

Palindrome?

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

The number 12k3b21 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 eight hundred and ninety-seven is a composite number with 8 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 eight hundred and ninety-seven is a composite number with 8 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 eight hundred and ninety-seven has the following 2 prime factors:

13
d21
Thirteen in Base 21 Unovigesimal
101
4h21
One Hundred and 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

d213 · 4h211 = 12k3b21

Base Conversions

The number two hundred and twenty-one thousand eight hundred and ninety-seven in 35 different bases