The Number

198165

One Hundred and Ninety-Eight Thousand One Hundred and Sixty-Five

In Base 21 Unovigesimal Is

1087921

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

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

Nearby Numbers

Positive, nonzero integers within three units

198162
1087621
One Hundred and Ninety-Eight Thousand One Hundred and Sixty-Two in Base 21 Unovigesimal
198163
1087721
One Hundred and Ninety-Eight Thousand One Hundred and Sixty-Three in Base 21 Unovigesimal
198164
1087821
One Hundred and Ninety-Eight Thousand One Hundred and Sixty-Four in Base 21 Unovigesimal
198166
1087a21
One Hundred and Ninety-Eight Thousand One Hundred and Sixty-Six in Base 21 Unovigesimal
198167
1087b21
One Hundred and Ninety-Eight Thousand One Hundred and Sixty-Seven in Base 21 Unovigesimal
198168
1087c21
One Hundred and Ninety-Eight Thousand One Hundred and Sixty-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.

1.98165e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000kcgha513a2a521

The reciprocal of 198165 in Base 21 Unovigesimal.

Palindrome?

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

The number 1087921 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 one hundred and sixty-five 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-eight thousand one hundred and sixty-five 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-eight thousand one hundred and sixty-five has the following 4 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
1201
2f421
One Thousand Two 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

3211 · 5211 · b211 · 2f4211 = 1087921

Base Conversions

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