The Number

10181

Ten Thousand One Hundred and Eighty-One

In Base 21 Unovigesimal Is

121h21

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

For more familiar numbers: See Ten Thousand One Hundred and Eighty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

10178
121e21
Ten Thousand One Hundred and Seventy-Eight in Base 21 Unovigesimal
10179
121f21
Ten Thousand One Hundred and Seventy-Nine in Base 21 Unovigesimal
10180
121g21
Ten Thousand One Hundred and Eighty in Base 21 Unovigesimal
10182
121i21
Ten Thousand One Hundred and Eighty-Two in Base 21 Unovigesimal
10183
121j21
Ten Thousand One Hundred and Eighty-Three in Base 21 Unovigesimal
10184
121k21
Ten Thousand One Hundred and Eighty-Four in Base 21 Unovigesimal

Scientific Notation

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

1.0181e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000j232hdbjc51e21

The reciprocal of 10181 in Base 21 Unovigesimal.

Palindrome?

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

The number 121h21 is not a palindrome.

A Prime Number

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

Ten thousand one hundred and eighty-one is the 1251st prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

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

Prime Factors

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

The number ten thousand one hundred and eighty-one has the following 1 prime factor:

10181
121h21
Ten Thousand One Hundred and Eighty-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

121h211 = 121h21

Base Conversions

The number ten thousand one hundred and eighty-one in 35 different bases