The Number

221819

Two Hundred and Twenty-One Thousand Eight Hundred and Nineteen

In Base 21 Unovigesimal Is

12jkh21

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 Nineteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

221816
12jke21
Two Hundred and Twenty-One Thousand Eight Hundred and Sixteen in Base 21 Unovigesimal
221817
12jkf21
Two Hundred and Twenty-One Thousand Eight Hundred and Seventeen in Base 21 Unovigesimal
221818
12jkg21
Two Hundred and Twenty-One Thousand Eight Hundred and Eightteen in Base 21 Unovigesimal
221820
12jki21
Two Hundred and Twenty-One Thousand Eight Hundred and Twenty in Base 21 Unovigesimal
221821
12jkj21
Two Hundred and Twenty-One Thousand Eight Hundred and Twenty-One in Base 21 Unovigesimal
221822
12jkk21
Two Hundred and Twenty-One Thousand Eight Hundred and Twenty-Two in Base 21 Unovigesimal

Scientific Notation

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

2.21819e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000i8dd5a7ifd7521

The reciprocal of 221819 in Base 21 Unovigesimal.

Palindrome?

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

The number 12jkh21 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 nineteen 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 nineteen 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 nineteen has the following 3 prime factors:

13
d21
Thirteen in Base 21 Unovigesimal
113
5821
One Hundred and Thirteen in Base 21 Unovigesimal
151
7421
One Hundred and Fifty-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

d211 · 58211 · 74211 = 12jkh21

Base Conversions

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