The Number

20280

Twenty Thousand Two Hundred and Eighty

In Base 21 Unovigesimal Is

23kf21

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

For more familiar numbers: See Twenty Thousand Two Hundred and Eighty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20277
23kc21
Twenty Thousand Two Hundred and Seventy-Seven in Base 21 Unovigesimal
20278
23kd21
Twenty Thousand Two Hundred and Seventy-Eight in Base 21 Unovigesimal
20279
23ke21
Twenty Thousand Two Hundred and Seventy-Nine in Base 21 Unovigesimal
20281
23kg21
Twenty Thousand Two Hundred and Eighty-One in Base 21 Unovigesimal
20282
23kh21
Twenty Thousand Two Hundred and Eighty-Two in Base 21 Unovigesimal
20283
23ki21
Twenty Thousand Two 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.

2.0280e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009c821ag3e935621

The reciprocal of 20280 in Base 21 Unovigesimal.

Palindrome?

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

The number 23kf21 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 two hundred and eighty is a composite number with 48 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty thousand two hundred and eighty is a composite number with 48 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 two 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
13
d21
Thirteen 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 · d212 = 23kf21

Base Conversions

The number twenty thousand two hundred and eighty in 35 different bases