The Number

221538

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

In Base 21 Unovigesimal Is

12j7921

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

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

Nearby Numbers

Positive, nonzero integers within three units

221535
12j7621
Two Hundred and Twenty-One Thousand Five Hundred and Thirty-Five in Base 21 Unovigesimal
221536
12j7721
Two Hundred and Twenty-One Thousand Five Hundred and Thirty-Six in Base 21 Unovigesimal
221537
12j7821
Two Hundred and Twenty-One Thousand Five Hundred and Thirty-Seven in Base 21 Unovigesimal
221539
12j7a21
Two Hundred and Twenty-One Thousand Five Hundred and Thirty-Nine in Base 21 Unovigesimal
221540
12j7b21
Two Hundred and Twenty-One Thousand Five Hundred and Forty in Base 21 Unovigesimal
221541
12j7c21
Two Hundred and Twenty-One Thousand Five 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.

2.21538e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000i92jb75f227i21

The reciprocal of 221538 in Base 21 Unovigesimal.

Palindrome?

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

The number 12j7921 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 five hundred and thirty-eight 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 five hundred and thirty-eight 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 five hundred and thirty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
36923
3kf521
Thirty-Six Thousand Nine Hundred and Twenty-Three 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 · 3211 · 3kf5211 = 12j7921

Base Conversions

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