The Number

21165

Twenty-One Thousand One Hundred and Sixty-Five

In Base 22 Duovigesimal Is

1lg122

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21162
1lfk22
Twenty-One Thousand One Hundred and Sixty-Two in Base 22 Duovigesimal
21163
1lfl22
Twenty-One Thousand One Hundred and Sixty-Three in Base 22 Duovigesimal
21164
1lg022
Twenty-One Thousand One Hundred and Sixty-Four in Base 22 Duovigesimal
21166
1lg222
Twenty-One Thousand One Hundred and Sixty-Six in Base 22 Duovigesimal
21167
1lg322
Twenty-One Thousand One Hundred and Sixty-Seven in Base 22 Duovigesimal
21168
1lg422
Twenty-One Thousand One Hundred and Sixty-Eight in Base 22 Duovigesimal

Scientific Notation

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

2.1165e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000b1akl28ie7bf22

The reciprocal of 21165 in Base 22 Duovigesimal.

Palindrome?

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

The number 1lg122 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand one hundred and sixty-five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one 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 twenty-one thousand one hundred and sixty-five has the following 4 prime factors:

3
322
Three in Base 22 Duovigesimal
5
522
Five in Base 22 Duovigesimal
17
h22
Seventeen in Base 22 Duovigesimal
83
3h22
Eighty-Three in Base 22 Duovigesimal

Prime Factorization

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

3221 · 5221 · h221 · 3h221 = 1lg122

Base Conversions

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