The Number

640401

Six Hundred and Forty Thousand Four Hundred and One

In Base 21 Unovigesimal Is

3633621

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

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

Nearby Numbers

Positive, nonzero integers within three units

640398
3633321
Six Hundred and Forty Thousand Three Hundred and Ninety-Eight in Base 21 Unovigesimal
640399
3633421
Six Hundred and Forty Thousand Three Hundred and Ninety-Nine in Base 21 Unovigesimal
640400
3633521
Six Hundred and Forty Thousand Four Hundred in Base 21 Unovigesimal
640402
3633721
Six Hundred and Forty Thousand Four Hundred and Two in Base 21 Unovigesimal
640403
3633821
Six Hundred and Forty Thousand Four Hundred and Three in Base 21 Unovigesimal
640404
3633921
Six Hundred and Forty Thousand Four Hundred and Four in Base 21 Unovigesimal

Scientific Notation

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

6.40401e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000067j949c5k603421

The reciprocal of 640401 in Base 21 Unovigesimal.

Palindrome?

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

The number 3633621 is not a palindrome.

Not A Prime Number

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

Six hundred and forty thousand four hundred and one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Six hundred and forty thousand four hundred and 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 six hundred and forty thousand four hundred and one has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
213467
1211221
Two Hundred and Thirteen Thousand Four Hundred and Sixty-Seven in Base 21 Unovigesimal

Prime Factorization

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

3211 · 12112211 = 3633621

Base Conversions

The number six hundred and forty thousand four hundred and one in 35 different bases