The Number

21643

Twenty-One Thousand Six Hundred and Forty-Three

In Base 19 Nonadecimal Is

32i219

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

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

Nearby Numbers

Positive, nonzero integers within three units

21640
32hi19
Twenty-One Thousand Six Hundred and Forty in Base 19 Nonadecimal
21641
32i019
Twenty-One Thousand Six Hundred and Forty-One in Base 19 Nonadecimal
21642
32i119
Twenty-One Thousand Six Hundred and Forty-Two in Base 19 Nonadecimal
21644
32i319
Twenty-One Thousand Six Hundred and Forty-Four in Base 19 Nonadecimal
21645
32i419
Twenty-One Thousand Six Hundred and Forty-Five in Base 19 Nonadecimal
21646
32i519
Twenty-One Thousand Six Hundred and Forty-Six in Base 19 Nonadecimal

Scientific Notation

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

2.1643e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000607ddh3bfh58e19

The reciprocal of 21643 in Base 19 Nonadecimal.

Palindrome?

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

The number 32i219 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 six hundred and forty-three 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 six hundred and forty-three 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 six hundred and forty-three has the following 2 prime factors:

23
1419
Twenty-Three in Base 19 Nonadecimal
941
2ba19
Nine Hundred and Forty-One in Base 19 Nonadecimal

Prime Factorization

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

14191 · 2ba191 = 32i219

Base Conversions

The number twenty-one thousand six hundred and forty-three in 35 different bases