The Number

165215

One Hundred and Sixty-Five Thousand Two Hundred and Fifteen

In Base 21 Unovigesimal Is

hhd821

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

For more familiar numbers: See One Hundred and Sixty-Five Thousand Two Hundred and Fifteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

165212
hhd521
One Hundred and Sixty-Five Thousand Two Hundred and Twelve in Base 21 Unovigesimal
165213
hhd621
One Hundred and Sixty-Five Thousand Two Hundred and Thirteen in Base 21 Unovigesimal
165214
hhd721
One Hundred and Sixty-Five Thousand Two Hundred and Fourteen in Base 21 Unovigesimal
165216
hhd921
One Hundred and Sixty-Five Thousand Two Hundred and Sixteen in Base 21 Unovigesimal
165217
hhda21
One Hundred and Sixty-Five Thousand Two Hundred and Seventeen in Base 21 Unovigesimal
165218
hhdb21
One Hundred and Sixty-Five 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.

1.65215e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00013f2a31c6121e21

The reciprocal of 165215 in Base 21 Unovigesimal.

Palindrome?

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

The number hhd821 is not a palindrome.

Not A Prime Number

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

One hundred and sixty-five 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.

One hundred and sixty-five 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 one hundred and sixty-five thousand two hundred and fifteen has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
173
8521
One Hundred and Seventy-Three in Base 21 Unovigesimal
191
9221
One Hundred and Ninety-One 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 · 85211 · 92211 = hhd821

Base Conversions

The number one hundred and sixty-five thousand two hundred and fifteen in 35 different bases