The Number

315

Three Hundred and Fifteen

In Base 21 Unovigesimal Is

f021

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

For more familiar numbers: See Three Hundred and Fifteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

312
ei21
Three Hundred and Twelve in Base 21 Unovigesimal
313
ej21
Three Hundred and Thirteen in Base 21 Unovigesimal
314
ek21
Three Hundred and Fourteen in Base 21 Unovigesimal
316
f121
Three Hundred and Sixteen in Base 21 Unovigesimal
317
f221
Three Hundred and Seventeen in Base 21 Unovigesimal
318
f321
Three 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.

3.15e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0188888888888821

The reciprocal of 315 in Base 21 Unovigesimal.

Palindrome?

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

The number f021 is not a palindrome.

Not A Prime Number

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

Three hundred and fifteen is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Three hundred and fifteen is a composite number with 12 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 three hundred and fifteen has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal

Prime Factorization

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

3212 · 5211 · 7211 = f021

Base Conversions

The number three hundred and fifteen in 35 different bases