The Number

221868

Two Hundred and Twenty-One Thousand Eight Hundred and Sixty-Eight

In Base 21 Unovigesimal Is

12k2321

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 Sixty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

221865
12k2021
Two Hundred and Twenty-One Thousand Eight Hundred and Sixty-Five in Base 21 Unovigesimal
221866
12k2121
Two Hundred and Twenty-One Thousand Eight Hundred and Sixty-Six in Base 21 Unovigesimal
221867
12k2221
Two Hundred and Twenty-One Thousand Eight Hundred and Sixty-Seven in Base 21 Unovigesimal
221869
12k2421
Two Hundred and Twenty-One Thousand Eight Hundred and Sixty-Nine in Base 21 Unovigesimal
221870
12k2521
Two Hundred and Twenty-One Thousand Eight Hundred and Seventy in Base 21 Unovigesimal
221871
12k2621
Two Hundred and Twenty-One Thousand Eight Hundred and Seventy-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.

2.21868e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000i8bhce470g8921

The reciprocal of 221868 in Base 21 Unovigesimal.

Palindrome?

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

The number 12k2321 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 sixty-eight is a composite number with 18 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 sixty-eight is a composite number with 18 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 sixty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
6163
dka21
Six Thousand One Hundred and Sixty-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

2212 · 3212 · dka211 = 12k2321

Base Conversions

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