The Number

21456

Twenty-One Thousand Four Hundred and Fifty-Six

In Base 20 Vigesimal Is

2dcg20

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21453
2dcd20
Twenty-One Thousand Four Hundred and Fifty-Three in Base 20 Vigesimal
21454
2dce20
Twenty-One Thousand Four Hundred and Fifty-Four in Base 20 Vigesimal
21455
2dcf20
Twenty-One Thousand Four Hundred and Fifty-Five in Base 20 Vigesimal
21457
2dch20
Twenty-One Thousand Four Hundred and Fifty-Seven in Base 20 Vigesimal
21458
2dci20
Twenty-One Thousand Four Hundred and Fifty-Eight in Base 20 Vigesimal
21459
2dcj20
Twenty-One Thousand Four Hundred and Fifty-Nine in Base 20 Vigesimal

Scientific Notation

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

2.1456e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000792gj8j57dc6a20

The reciprocal of 21456 in Base 20 Vigesimal.

Palindrome?

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

The number 2dcg20 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-six is a composite number with 30 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand four hundred and fifty-six is a composite number with 30 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-six has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
149
7920
One Hundred and Forty-Nine in Base 20 Vigesimal

Prime Factorization

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

2204 · 3202 · 79201 = 2dcg20

Base Conversions

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