The Number

8215

Eight Thousand Two Hundred and Fifteen

In Base 21 Unovigesimal Is

id421

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

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

Nearby Numbers

Positive, nonzero integers within three units

8212
id121
Eight Thousand Two Hundred and Twelve in Base 21 Unovigesimal
8213
id221
Eight Thousand Two Hundred and Thirteen in Base 21 Unovigesimal
8214
id321
Eight Thousand Two Hundred and Fourteen in Base 21 Unovigesimal
8216
id521
Eight Thousand Two Hundred and Sixteen in Base 21 Unovigesimal
8217
id621
Eight Thousand Two Hundred and Seventeen in Base 21 Unovigesimal
8218
id721
Eight 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.

8.215e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0012e33iddkechi21

The reciprocal of 8215 in Base 21 Unovigesimal.

Palindrome?

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

The number id421 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Eight 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.

Eight 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 eight thousand two hundred and fifteen has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
31
1a21
Thirty-One in Base 21 Unovigesimal
53
2b21
Fifty-Three 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 · 1a211 · 2b211 = id421

Base Conversions

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