The Number

221879

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

In Base 21 Unovigesimal Is

12k2e21

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 Seventy-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

221876
12k2b21
Two Hundred and Twenty-One Thousand Eight Hundred and Seventy-Six in Base 21 Unovigesimal
221877
12k2c21
Two Hundred and Twenty-One Thousand Eight Hundred and Seventy-Seven in Base 21 Unovigesimal
221878
12k2d21
Two Hundred and Twenty-One Thousand Eight Hundred and Seventy-Eight in Base 21 Unovigesimal
221880
12k2f21
Two Hundred and Twenty-One Thousand Eight Hundred and Eighty in Base 21 Unovigesimal
221881
12k2g21
Two Hundred and Twenty-One Thousand Eight Hundred and Eighty-One in Base 21 Unovigesimal
221882
12k2h21
Two Hundred and Twenty-One Thousand Eight Hundred and Eighty-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.

2.21879e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000i8b9341bi27921

The reciprocal of 221879 in Base 21 Unovigesimal.

Palindrome?

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

The number 12k2e21 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 seventy-nine 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 seventy-nine 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 seventy-nine has the following 3 prime factors:

7
721
Seven in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal
1093
2a121
One Thousand and Ninety-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

7211 · 18211 · 2a1211 = 12k2e21

Base Conversions

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