The Number

6643

Six Thousand Six Hundred and Forty-Three

In Base 21 Unovigesimal Is

f1721

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

6640
f1421
Six Thousand Six Hundred and Forty in Base 21 Unovigesimal
6641
f1521
Six Thousand Six Hundred and Forty-One in Base 21 Unovigesimal
6642
f1621
Six Thousand Six Hundred and Forty-Two in Base 21 Unovigesimal
6644
f1821
Six Thousand Six Hundred and Forty-Four in Base 21 Unovigesimal
6645
f1921
Six Thousand Six Hundred and Forty-Five in Base 21 Unovigesimal
6646
f1a21
Six Thousand Six Hundred and Forty-Six in Base 21 Unovigesimal

Scientific Notation

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

6.643e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00185gfg6jj4h6921

The reciprocal of 6643 in Base 21 Unovigesimal.

Palindrome?

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

The number f1721 is not a palindrome.

Not A Prime Number

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

Six thousand six hundred and forty-three is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Six thousand six hundred and forty-three is a composite number with 8 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 six thousand six hundred and forty-three has the following 3 prime factors:

7
721
Seven in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
73
3a21
Seventy-Three in Base 21 Unovigesimal

Prime Factorization

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

7211 · d211 · 3a211 = f1721

Base Conversions

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