The Number

8161

Eight Thousand One Hundred and Sixty-One

In Base 25 Pentavigesimal Is

d1b25

The numbers with a 25 subscript use Base 25 Pentavigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

8158
d1825
Eight Thousand One Hundred and Fifty-Eight in Base 25 Pentavigesimal
8159
d1925
Eight Thousand One Hundred and Fifty-Nine in Base 25 Pentavigesimal
8160
d1a25
Eight Thousand One Hundred and Sixty in Base 25 Pentavigesimal
8162
d1c25
Eight Thousand One Hundred and Sixty-Two in Base 25 Pentavigesimal
8163
d1d25
Eight Thousand One Hundred and Sixty-Three in Base 25 Pentavigesimal
8164
d1e25
Eight Thousand One Hundred and Sixty-Four in Base 25 Pentavigesimal

Scientific Notation

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

8.161e3

Reciprocal

A number multiplied with its reciprocal is one.

0.001mlfd51mc15225

The reciprocal of 8161 in Base 25 Pentavigesimal.

Palindrome?

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

The number d1b25 is not a palindrome.

A Prime Number

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

Eight thousand one hundred and sixty-one is the 1024th prime number.   See primes in Base 25 Pentavigesimal

Not A Composite

Composites have more than just these two factors.

Eight Thousand One Hundred and Sixty-One is not a composite number because it has exactly two factors: One and Eight Thousand One Hundred and Sixty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number eight thousand one hundred and sixty-one has the following 1 prime factor:

8161
d1b25
Eight Thousand One Hundred and Sixty-One in Base 25 Pentavigesimal

Prime Factorization

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

d1b251 = d1b25

Base Conversions

The number eight thousand one hundred and sixty-one in 35 different bases