The Number

20215

Twenty Thousand Two Hundred and Fifteen

In Base 21 Unovigesimal Is

23hd21

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

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

Nearby Numbers

Positive, nonzero integers within three units

20212
23ha21
Twenty Thousand Two Hundred and Twelve in Base 21 Unovigesimal
20213
23hb21
Twenty Thousand Two Hundred and Thirteen in Base 21 Unovigesimal
20214
23hc21
Twenty Thousand Two Hundred and Fourteen in Base 21 Unovigesimal
20216
23he21
Twenty Thousand Two Hundred and Sixteen in Base 21 Unovigesimal
20217
23hf21
Twenty Thousand Two Hundred and Seventeen in Base 21 Unovigesimal
20218
23hg21
Twenty Thousand Two Hundred and Eightteen in Base 21 Unovigesimal

Scientific Notation

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

2.0215e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009d0ed895f4f621

The reciprocal of 20215 in Base 21 Unovigesimal.

Palindrome?

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

The number 23hd21 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 fifteen 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 thousand two hundred and fifteen 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 thousand two hundred and fifteen has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
311
eh21
Three Hundred and Eleven 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 · d211 · eh211 = 23hd21

Base Conversions

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