The Number

198405

One Hundred and Ninety-Eight Thousand Four Hundred and Five

In Base 21 Unovigesimal Is

108ii21

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

For more familiar numbers: See One Hundred and Ninety-Eight Thousand Four Hundred and Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

198402
108if21
One Hundred and Ninety-Eight Thousand Four Hundred and Two in Base 21 Unovigesimal
198403
108ig21
One Hundred and Ninety-Eight Thousand Four Hundred and Three in Base 21 Unovigesimal
198404
108ih21
One Hundred and Ninety-Eight Thousand Four Hundred and Four in Base 21 Unovigesimal
198406
108ij21
One Hundred and Ninety-Eight Thousand Four Hundred and Six in Base 21 Unovigesimal
198407
108ik21
One Hundred and Ninety-Eight Thousand Four Hundred and Seven in Base 21 Unovigesimal
198408
108j021
One Hundred and Ninety-Eight Thousand Four Hundred and Eight in Base 21 Unovigesimal

Scientific Notation

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

1.98405e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000kc5hcg0hkdkc21

The reciprocal of 198405 in Base 21 Unovigesimal.

Palindrome?

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

The number 108ii21 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One hundred and ninety-eight thousand four hundred and five is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and ninety-eight thousand four hundred and five is a composite number with 12 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 one hundred and ninety-eight thousand four hundred and five has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
4409
9kk21
Four Thousand Four Hundred and Nine in Base 21 Unovigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

3212 · 5211 · 9kk211 = 108ii21

Base Conversions

The number one hundred and ninety-eight thousand four hundred and five in 35 different bases