The Number

199090

One Hundred and Ninety-Nine Thousand and Ninety

In Base 21 Unovigesimal Is

10a9a21

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

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

Nearby Numbers

Positive, nonzero integers within three units

199087
10a9721
One Hundred and Ninety-Nine Thousand and Eighty-Seven in Base 21 Unovigesimal
199088
10a9821
One Hundred and Ninety-Nine Thousand and Eighty-Eight in Base 21 Unovigesimal
199089
10a9921
One Hundred and Ninety-Nine Thousand and Eighty-Nine in Base 21 Unovigesimal
199091
10a9b21
One Hundred and Ninety-Nine Thousand and Ninety-One in Base 21 Unovigesimal
199092
10a9c21
One Hundred and Ninety-Nine Thousand and Ninety-Two in Base 21 Unovigesimal
199093
10a9d21
One Hundred and Ninety-Nine Thousand and Ninety-Three in Base 21 Unovigesimal

Scientific Notation

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

1.99090e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000kagceede486821

The reciprocal of 199090 in Base 21 Unovigesimal.

Palindrome?

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

The number 10a9a21 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-nine thousand and ninety is a composite number with 16 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-nine thousand and ninety is a composite number with 16 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-nine thousand and ninety has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
43
2121
Forty-Three in Base 21 Unovigesimal
463
11121
Four 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

2211 · 5211 · 21211 · 111211 = 10a9a21

Base Conversions

The number one hundred and ninety-nine thousand and ninety in 35 different bases