The Number

640006

Six Hundred and Forty Thousand and Six

In Base 21 Unovigesimal Is

3625a21

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

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

Nearby Numbers

Positive, nonzero integers within three units

640003
3625721
Six Hundred and Forty Thousand and Three in Base 21 Unovigesimal
640004
3625821
Six Hundred and Forty Thousand and Four in Base 21 Unovigesimal
640005
3625921
Six Hundred and Forty Thousand and Five in Base 21 Unovigesimal
640007
3625b21
Six Hundred and Forty Thousand and Seven in Base 21 Unovigesimal
640008
3625c21
Six Hundred and Forty Thousand and Eight in Base 21 Unovigesimal
640009
3625d21
Six Hundred and Forty Thousand and Nine in Base 21 Unovigesimal

Scientific Notation

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

6.40006e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00006803djed3cjkf21

The reciprocal of 640006 in Base 21 Unovigesimal.

Palindrome?

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

The number 3625a21 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 and six 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 hundred and forty thousand and six 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 hundred and forty thousand and six has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
97
4d21
Ninety-Seven in Base 21 Unovigesimal
3299
7a221
Three Thousand Two Hundred and Ninety-Nine in Base 21 Unovigesimal

Prime Factorization

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

2211 · 4d211 · 7a2211 = 3625a21

Base Conversions

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