The Number

21643

Twenty-One Thousand Six Hundred and Forty-Three

In Base 5 Quinary Is

11430335

The numbers with a 5 subscript use Base 5 Quinary 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
11430305
Twenty-One Thousand Six Hundred and Forty in Base 5 Quinary
21641
11430315
Twenty-One Thousand Six Hundred and Forty-One in Base 5 Quinary
21642
11430325
Twenty-One Thousand Six Hundred and Forty-Two in Base 5 Quinary
21644
11430345
Twenty-One Thousand Six Hundred and Forty-Four in Base 5 Quinary
21645
11430405
Twenty-One Thousand Six Hundred and Forty-Five in Base 5 Quinary
21646
11430415
Twenty-One Thousand Six Hundred and Forty-Six in Base 5 Quinary

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.

0.00000033011013340043131310435

The reciprocal of 21643 in Base 5 Quinary.

Palindrome?

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

The number 11430335 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 5 Quinary

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
435
Twenty-Three in Base 5 Quinary
941
122315
Nine Hundred and Forty-One in Base 5 Quinary

Prime Factorization

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

4351 · 1223151 = 11430335

Base Conversions

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