The Number

199815

One Hundred and Ninety-Nine Thousand Eight Hundred and Fifteen

In Base 21 Unovigesimal Is

10c2021

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

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

Nearby Numbers

Positive, nonzero integers within three units

199812
10c1i21
One Hundred and Ninety-Nine Thousand Eight Hundred and Twelve in Base 21 Unovigesimal
199813
10c1j21
One Hundred and Ninety-Nine Thousand Eight Hundred and Thirteen in Base 21 Unovigesimal
199814
10c1k21
One Hundred and Ninety-Nine Thousand Eight Hundred and Fourteen in Base 21 Unovigesimal
199816
10c2121
One Hundred and Ninety-Nine Thousand Eight Hundred and Sixteen in Base 21 Unovigesimal
199817
10c2221
One Hundred and Ninety-Nine Thousand Eight Hundred and Seventeen in Base 21 Unovigesimal
199818
10c2321
One Hundred and Ninety-Nine Thousand Eight Hundred and Eightteen in Base 21 Unovigesimal

Scientific Notation

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

1.99815e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000k94g83g19d7921

The reciprocal of 199815 in Base 21 Unovigesimal.

Palindrome?

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

The number 10c2021 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 eight hundred and fifteen is a composite number with 32 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 eight hundred and fifteen is a composite number with 32 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 eight hundred and fifteen has the following 5 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
173
8521
One Hundred and Seventy-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

3211 · 5211 · 7211 · b211 · 85211 = 10c2021

Base Conversions

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