The Number

20500

Twenty Thousand Five Hundred

In Base 21 Unovigesimal Is

24a421

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

For more familiar numbers: See Twenty Thousand Five Hundred in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20497
24a121
Twenty Thousand Four Hundred and Ninety-Seven in Base 21 Unovigesimal
20498
24a221
Twenty Thousand Four Hundred and Ninety-Eight in Base 21 Unovigesimal
20499
24a321
Twenty Thousand Four Hundred and Ninety-Nine in Base 21 Unovigesimal
20501
24a521
Twenty Thousand Five Hundred and One in Base 21 Unovigesimal
20502
24a621
Twenty Thousand Five Hundred and Two in Base 21 Unovigesimal
20503
24a721
Twenty Thousand Five Hundred and 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.

2.0500e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009a4ekb2dakd621

The reciprocal of 20500 in Base 21 Unovigesimal.

Palindrome?

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

The number 24a421 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 five hundred is a composite number with 24 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty thousand five hundred is a composite number with 24 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 five hundred has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
41
1k21
Forty-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 · 5213 · 1k211 = 24a421

Base Conversions

The number twenty thousand five hundred in 35 different bases