The Number

21445

Twenty-One Thousand Four Hundred and Forty-Five

In Base 21 Unovigesimal Is

26d421

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

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

Nearby Numbers

Positive, nonzero integers within three units

21442
26d121
Twenty-One Thousand Four Hundred and Forty-Two in Base 21 Unovigesimal
21443
26d221
Twenty-One Thousand Four Hundred and Forty-Three in Base 21 Unovigesimal
21444
26d321
Twenty-One Thousand Four Hundred and Forty-Four in Base 21 Unovigesimal
21446
26d521
Twenty-One Thousand Four Hundred and Forty-Six in Base 21 Unovigesimal
21447
26d621
Twenty-One Thousand Four Hundred and Forty-Seven in Base 21 Unovigesimal
21448
26d721
Twenty-One 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.

2.1445e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00091978c7fe7a7a21

The reciprocal of 21445 in Base 21 Unovigesimal.

Palindrome?

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

The number 26d421 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 four hundred and forty-five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand four hundred and forty-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-one thousand four hundred and forty-five has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
4289
9f521
Four Thousand Two Hundred and Eighty-Nine in Base 21 Unovigesimal

Prime Factorization

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

5211 · 9f5211 = 26d421

Base Conversions

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