The Number

640472

Six Hundred and Forty Thousand Four Hundred and Seventy-Two

In Base 20 Vigesimal Is

4013c20

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

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

Nearby Numbers

Positive, nonzero integers within three units

640469
4013920
Six Hundred and Forty Thousand Four Hundred and Sixty-Nine in Base 20 Vigesimal
640470
4013a20
Six Hundred and Forty Thousand Four Hundred and Seventy in Base 20 Vigesimal
640471
4013b20
Six Hundred and Forty Thousand Four Hundred and Seventy-One in Base 20 Vigesimal
640473
4013d20
Six Hundred and Forty Thousand Four Hundred and Seventy-Three in Base 20 Vigesimal
640474
4013e20
Six Hundred and Forty Thousand Four Hundred and Seventy-Four in Base 20 Vigesimal
640475
4013f20
Six Hundred and Forty Thousand Four Hundred and Seventy-Five in Base 20 Vigesimal

Scientific Notation

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

6.40472e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004jiaa8di8dh4i20

The reciprocal of 640472 in Base 20 Vigesimal.

Palindrome?

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

The number 4013c20 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 seventy-two 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 four hundred and seventy-two 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 four hundred and seventy-two has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
7
720
Seven in Base 20 Vigesimal
11437
18bh20
Eleven Thousand Four Hundred and Thirty-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 · 7201 · 18bh201 = 4013c20

Base Conversions

The number six hundred and forty thousand four hundred and seventy-two in 35 different bases