The Number

2161

Two Thousand One Hundred and Sixty-One

In Base 18 Octodecimal Is

6c118

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

2158
6bg18
Two Thousand One Hundred and Fifty-Eight in Base 18 Octodecimal
2159
6bh18
Two Thousand One Hundred and Fifty-Nine in Base 18 Octodecimal
2160
6c018
Two Thousand One Hundred and Sixty in Base 18 Octodecimal
2162
6c218
Two Thousand One Hundred and Sixty-Two in Base 18 Octodecimal
2163
6c318
Two Thousand One Hundred and Sixty-Three in Base 18 Octodecimal
2164
6c418
Two Thousand One Hundred and Sixty-Four in Base 18 Octodecimal

Scientific Notation

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

2.161e3

Reciprocal

A number multiplied with its reciprocal is one.

0.002ca720d38edhab18

The reciprocal of 2161 in Base 18 Octodecimal.

Palindrome?

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

The number 6c118 is not a palindrome.

A Prime Number

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

Two thousand one hundred and sixty-one is the 326th prime number.   See primes in Base 18 Octodecimal

Not A Composite

Composites have more than just these two factors.

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

2161
6c118
Two Thousand One Hundred and Sixty-One in Base 18 Octodecimal

Prime Factorization

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

6c1181 = 6c118

Base Conversions

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