The Number

2161

Two Thousand One Hundred and Sixty-One

In Base 9 Nonary Is

28619

The numbers with a 9 subscript use Base 9 Nonary 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
28579
Two Thousand One Hundred and Fifty-Eight in Base 9 Nonary
2159
28589
Two Thousand One Hundred and Fifty-Nine in Base 9 Nonary
2160
28609
Two Thousand One Hundred and Sixty in Base 9 Nonary
2162
28629
Two Thousand One Hundred and Sixty-Two in Base 9 Nonary
2163
28639
Two Thousand One Hundred and Sixty-Three in Base 9 Nonary
2164
28649
Two Thousand One Hundred and Sixty-Four in Base 9 Nonary

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.

0.0003028273035341602449

The reciprocal of 2161 in Base 9 Nonary.

Palindrome?

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

The number 28619 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 9 Nonary

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
28619
Two Thousand One Hundred and Sixty-One in Base 9 Nonary

Prime Factorization

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

286191 = 28619

Base Conversions

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