The Number

20445

Twenty Thousand Four Hundred and Forty-Five

In Base 21 Unovigesimal Is

247c21

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

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

Nearby Numbers

Positive, nonzero integers within three units

20442
247921
Twenty Thousand Four Hundred and Forty-Two in Base 21 Unovigesimal
20443
247a21
Twenty Thousand Four Hundred and Forty-Three in Base 21 Unovigesimal
20444
247b21
Twenty Thousand Four Hundred and Forty-Four in Base 21 Unovigesimal
20446
247d21
Twenty Thousand Four Hundred and Forty-Six in Base 21 Unovigesimal
20447
247e21
Twenty Thousand Four Hundred and Forty-Seven in Base 21 Unovigesimal
20448
247f21
Twenty Thousand Four Hundred and Forty-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.

2.0445e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009afk6ifiej6i821

The reciprocal of 20445 in Base 21 Unovigesimal.

Palindrome?

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

The number 247c21 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 four hundred and forty-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.

Twenty thousand four hundred and forty-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 thousand four hundred and forty-five has the following 4 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal
47
2521
Forty-Seven 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 · 18211 · 25211 = 247c21

Base Conversions

The number twenty thousand four hundred and forty-five in 35 different bases