The Number

21165

Twenty-One Thousand One Hundred and Sixty-Five

In Base 19 Nonadecimal Is

31bi19

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

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

Nearby Numbers

Positive, nonzero integers within three units

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
21166
31c019
Twenty-One Thousand One Hundred and Sixty-Six in Base 19 Nonadecimal
21167
31c119
Twenty-One Thousand One Hundred and Sixty-Seven in Base 19 Nonadecimal
21168
31c219
Twenty-One Thousand One Hundred and Sixty-Eight in Base 19 Nonadecimal

Scientific Notation

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

2.1165e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00062if94b01f6ci19

The reciprocal of 21165 in Base 19 Nonadecimal.

Palindrome?

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

The number 31bi19 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-five is a composite number with 16 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-five is a composite number with 16 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-five has the following 4 prime factors:

3
319
Three in Base 19 Nonadecimal
5
519
Five in Base 19 Nonadecimal
17
h19
Seventeen in Base 19 Nonadecimal
83
4719
Eighty-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

3191 · 5191 · h191 · 47191 = 31bi19

Base Conversions

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