The Number

66161

Sixty-Six Thousand One Hundred and Sixty-One

In Base 21 Unovigesimal Is

730b21

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

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

Nearby Numbers

Positive, nonzero integers within three units

66158
730821
Sixty-Six Thousand One Hundred and Fifty-Eight in Base 21 Unovigesimal
66159
730921
Sixty-Six Thousand One Hundred and Fifty-Nine in Base 21 Unovigesimal
66160
730a21
Sixty-Six Thousand One Hundred and Sixty in Base 21 Unovigesimal
66162
730c21
Sixty-Six Thousand One Hundred and Sixty-Two in Base 21 Unovigesimal
66163
730d21
Sixty-Six Thousand One Hundred and Sixty-Three in Base 21 Unovigesimal
66164
730e21
Sixty-Six Thousand One Hundred and Sixty-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.

6.6161e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002jf6h1ccg06gi21

The reciprocal of 66161 in Base 21 Unovigesimal.

Palindrome?

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

The number 730b21 is not a palindrome.

A Prime Number

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

Sixty-six thousand one hundred and sixty-one is the 6604th prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

Sixty-Six Thousand One Hundred and Sixty-One is not a composite number because it has exactly two factors: One and Sixty-Six 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 sixty-six thousand one hundred and sixty-one has the following 1 prime factor:

66161
730b21
Sixty-Six Thousand One Hundred and Sixty-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

730b211 = 730b21

Base Conversions

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