The Number

199980

One Hundred and Ninety-Nine Thousand Nine Hundred and Eighty

In Base 21 Unovigesimal Is

10c9i21

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

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

Nearby Numbers

Positive, nonzero integers within three units

199977
10c9f21
One Hundred and Ninety-Nine Thousand Nine Hundred and Seventy-Seven in Base 21 Unovigesimal
199978
10c9g21
One Hundred and Ninety-Nine Thousand Nine Hundred and Seventy-Eight in Base 21 Unovigesimal
199979
10c9h21
One Hundred and Ninety-Nine Thousand Nine Hundred and Seventy-Nine in Base 21 Unovigesimal
199981
10c9j21
One Hundred and Ninety-Nine Thousand Nine Hundred and Eighty-One in Base 21 Unovigesimal
199982
10c9k21
One Hundred and Ninety-Nine Thousand Nine Hundred and Eighty-Two in Base 21 Unovigesimal
199983
10ca021
One Hundred and Ninety-Nine Thousand Nine Hundred and Eighty-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.

1.99980e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000k8i748dkai0a21

The reciprocal of 199980 in Base 21 Unovigesimal.

Palindrome?

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

The number 10c9i21 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 nine hundred and eighty is a composite number with 72 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 nine hundred and eighty is a composite number with 72 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 nine hundred and eighty has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
101
4h21
One Hundred and One 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 · 5211 · b211 · 4h211 = 10c9i21

Base Conversions

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