The Number

21161

Twenty-One Thousand One Hundred and Sixty-One

In Base 19 Nonadecimal Is

31be19

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21158
31bb19
Twenty-One Thousand One Hundred and Fifty-Eight in Base 19 Nonadecimal
21159
31bc19
Twenty-One Thousand One Hundred and Fifty-Nine in Base 19 Nonadecimal
21160
31bd19
Twenty-One Thousand One Hundred and Sixty in Base 19 Nonadecimal
21162
31bf19
Twenty-One Thousand One Hundred and Sixty-Two in Base 19 Nonadecimal
21163
31bg19
Twenty-One Thousand One Hundred and Sixty-Three in Base 19 Nonadecimal
21164
31bh19
Twenty-One Thousand One Hundred and Sixty-Four in Base 19 Nonadecimal

Scientific Notation

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

2.1161e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00063048ha4c0g519

The reciprocal of 21161 in Base 19 Nonadecimal.

Palindrome?

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

The number 31be19 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand one hundred and sixty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand one hundred and sixty-one is a composite number with 4 total factors (including 1 and itself).

Prime Factors

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

The number twenty-one thousand one hundred and sixty-one has the following 2 prime factors:

7
719
Seven in Base 19 Nonadecimal
3023
87219
Three Thousand and Twenty-Three in Base 19 Nonadecimal

Prime Factorization

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

7191 · 872191 = 31be19

Base Conversions

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