The Number

20665

Twenty Thousand Six Hundred and Sixty-Five

In Base 22 Duovigesimal Is

1kf722

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

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

Nearby Numbers

Positive, nonzero integers within three units

20662
1kf422
Twenty Thousand Six Hundred and Sixty-Two in Base 22 Duovigesimal
20663
1kf522
Twenty Thousand Six Hundred and Sixty-Three in Base 22 Duovigesimal
20664
1kf622
Twenty Thousand Six Hundred and Sixty-Four in Base 22 Duovigesimal
20666
1kf822
Twenty Thousand Six Hundred and Sixty-Six in Base 22 Duovigesimal
20667
1kf922
Twenty Thousand Six Hundred and Sixty-Seven in Base 22 Duovigesimal
20668
1kfa22
Twenty Thousand Six 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.

2.0665e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000b78ca7iba27a22

The reciprocal of 20665 in Base 22 Duovigesimal.

Palindrome?

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

The number 1kf722 is not a palindrome.

Not A Prime Number

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

Twenty thousand six hundred and sixty-five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

Twenty thousand six hundred and sixty-five is a composite number with 4 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 thousand six hundred and sixty-five has the following 2 prime factors:

5
522
Five in Base 22 Duovigesimal
4133
8bj22
Four Thousand One Hundred and Thirty-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

5221 · 8bj221 = 1kf722

Base Conversions

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