The Number

640648

Six Hundred and Forty Thousand Six Hundred and Forty-Eight

In Base 20 Vigesimal Is

401c820

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

640645
401c520
Six Hundred and Forty Thousand Six Hundred and Forty-Five in Base 20 Vigesimal
640646
401c620
Six Hundred and Forty Thousand Six Hundred and Forty-Six in Base 20 Vigesimal
640647
401c720
Six Hundred and Forty Thousand Six Hundred and Forty-Seven in Base 20 Vigesimal
640649
401c920
Six Hundred and Forty Thousand Six Hundred and Forty-Nine in Base 20 Vigesimal
640650
401ca20
Six Hundred and Forty Thousand Six Hundred and Fifty in Base 20 Vigesimal
640651
401cb20
Six Hundred and Forty Thousand Six Hundred and Fifty-One in Base 20 Vigesimal

Scientific Notation

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

6.40648e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004jhjag7e759d220

The reciprocal of 640648 in Base 20 Vigesimal.

Palindrome?

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

The number 401c820 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 six hundred and forty-eight is a composite number with 16 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Six hundred and forty thousand six hundred and forty-eight is a composite number with 16 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 six hundred and forty-eight has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
73
3d20
Seventy-Three in Base 20 Vigesimal
1097
2eh20
One Thousand and Ninety-Seven in Base 20 Vigesimal

Prime Factorization

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

2203 · 3d201 · 2eh201 = 401c820

Base Conversions

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