The Number

21480

Twenty-One Thousand Four Hundred and Eighty

In Base 21 Unovigesimal Is

26ei21

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

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

Nearby Numbers

Positive, nonzero integers within three units

21477
26ef21
Twenty-One Thousand Four Hundred and Seventy-Seven in Base 21 Unovigesimal
21478
26eg21
Twenty-One Thousand Four Hundred and Seventy-Eight in Base 21 Unovigesimal
21479
26eh21
Twenty-One Thousand Four Hundred and Seventy-Nine in Base 21 Unovigesimal
21481
26ej21
Twenty-One Thousand Four Hundred and Eighty-One in Base 21 Unovigesimal
21482
26ek21
Twenty-One Thousand Four Hundred and Eighty-Two in Base 21 Unovigesimal
21483
26f021
Twenty-One Thousand Four Hundred and Eighty-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.

2.1480e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000912hbfggfad8g21

The reciprocal of 21480 in Base 21 Unovigesimal.

Palindrome?

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

The number 26ei21 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 eighty is a composite number with 32 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 eighty is a composite number with 32 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 eighty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
179
8b21
One Hundred and Seventy-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

2213 · 3211 · 5211 · 8b211 = 26ei21

Base Conversions

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