The Number

21454

Twenty-One Thousand Four Hundred and Fifty-Four

In Base 21 Unovigesimal Is

26dd21

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

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

Nearby Numbers

Positive, nonzero integers within three units

21451
26da21
Twenty-One Thousand Four Hundred and Fifty-One in Base 21 Unovigesimal
21452
26db21
Twenty-One Thousand Four Hundred and Fifty-Two in Base 21 Unovigesimal
21453
26dc21
Twenty-One Thousand Four Hundred and Fifty-Three in Base 21 Unovigesimal
21455
26de21
Twenty-One Thousand Four Hundred and Fifty-Five in Base 21 Unovigesimal
21456
26df21
Twenty-One Thousand Four Hundred and Fifty-Six in Base 21 Unovigesimal
21457
26dg21
Twenty-One Thousand Four Hundred and Fifty-Seven in Base 21 Unovigesimal

Scientific Notation

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

2.1454e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000917e3ehf51aa621

The reciprocal of 21454 in Base 21 Unovigesimal.

Palindrome?

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

The number 26dd21 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 fifty-four is a composite number with 8 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 fifty-four is a composite number with 8 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 fifty-four has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
631
19121
Six Hundred and Thirty-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

2211 · h211 · 191211 = 26dd21

Base Conversions

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